Isabel deBeauchamp was born about 1265. She died in 1306.

Spouse: Sir Hugh deSpenser Earl of Winchester. Children were: Sir Hugh deSpenser Baron de Spenser.

Henry deBeaumont was born in 1340. He died on 17 June 1369. Parents: John deBeaumont Earl of Buchan and Countess Eleanor Plantagenet of Arundel.

John deBeaumont Earl of Buchan was born (date unknown).

Spouse: Countess Eleanor Plantagenet of Arundel. Countess Eleanor Plantagenet of Arundel and John deBeaumont Earl of Buchan were married before June 1337. Children were: Henry deBeaumont, Sir John Beaumont.

Eleanor deChastelleraut was born (date unknown).

Spouse: Duke William of Aquitaine. Children were: Queen Eleanor of France.

Maud deChaworth was born in 1282 in Wales. She died in 1322. Parents: Sir Patrick Chaworth.

Spouse: Henry Plantagenet Earl of Lancaster. Maud deChaworth and Henry Plantagenet Earl of Lancaster were married in 1298 in England. Children were: Duke Henry Plantagenet of Lancaster, Maud Plantagenet, Joan Plantagenet, Countess Eleanor Plantagenet of Arundel, Mary Plantagenet.

Patrick deChaworth was born in Kidwelley, Wales.

Children were: Sir Patrick Chaworth.

Christene Deck was born (date unknown).

Spouse: Frederick Winkle. Christene Deck and Frederick Winkle were married on 15 April 1830 in Harrison County, Kentucky.

Ariaantjen Decker was born before 15 May 1698 in Kingston, Ulster County, New York. She was christened on 15 May 1698 in Rochester Township, Ulster County, New York.

Spouse: Tjerck DeWitt. Ariaantjen Decker and Tjerck DeWitt were married on 8 August 1719 in Old Dutch Reformed Church, Kingston, Ulster County, New York. Children were: Elizabeth DeWitt, Grietje DeWitt.

Asa Decker was born in 1797. He died in 1883 in Gibson County, Indiana. Parents: Luke Decker and Sarah Harness.

Barbara Decker was born before 19 October 1743 in Minisink Township, Orange County, New York. She was baptized on 19 October 1743 in Minisink Township, Orange County, New York. Parents: Jan Decker and Blandina Kuykendall.

Elizabeth Decker was born about 1718. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Elizabeth Decker was born in 1724 in Kingston, Ulster County, New York. She died in 1793. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Spouse: Daniel DePuy. Elizabeth Decker and Daniel DePuy were married in 1744.

Gerritt Decker was born in 1716 in Kingston, Ulster County, New York. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Spouse: Susannah DePuy. Susannah DePuy and Gerritt Decker were married.

Jan Decker was born on 7 June 1719 in Kingston, Ulster County, New York. He died on 10 January 1791 in Knox County, Indiana. His given name has also been found as John. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Spouse: Blandina Kuykendall. Blandina Kuykendall and Jan Decker were married in 1739 in Kingston, Ulster County, New York. Children were: Barbara Decker, Luke Decker.

Jan Gerritsen Decker was born before 28 July 1688 in Kingston, Ulster County, New York. He was christened on 28 July 1688 in Old Dutch Reformed Church, Kingston, Ulster County, New York. He died about 1777 in Romney, Hampshire County, West Virginia.

Spouse: Barbara DeWitt. Barbara DeWitt and Jan Gerritsen Decker were married in 1711 in Kingston, Ulster County, New York. Children were: Zara Decker, Gerritt Decker, Elizabeth Decker, Jan Decker, Elizabeth Decker, Lucas Decker.

Jannetie Decker was born (date unknown).

Spouse: Jacob J. Van Auken. Jannetie Decker and Jacob J. Van Auken were married. Children were: Jacob Van Auken, Blandina Van Auken, Daniel Van Auken, John Van Auken, Grietie Van Auken, Hannah Van Auken, Eliza Johnson Van Auken, James Van Auken, Sarah Van Auken.

Jenneke Decker was born (date unknown).

Spouse: Jacobus Van Auken. Jenneke Decker and Jacobus Van Auken were married about 1785 in Wallpack Township, Sussex County, New Jersey.

Johannes Hendrick Decker was born on 9 March 1711/2 in Kingston, Ulster County, New York. His given name has also been found as Jan.

Spouse: Elizabeth DeWitt. Elizabeth DeWitt and Johannes Hendrick Decker were married in 1734 in Kingston, Ulster County, New York. Children were: John Hendrick Decker Jr., Richard Decker.

John Hendrick Decker Jr. was born in 1735. He died in 1817 in Livonia, Livingston County, New York. Parents: Johannes Hendrick Decker and Elizabeth DeWitt.

Spouse: Margaret Gomar. Margaret Gomar and John Hendrick Decker Jr. were married about 1756 in Kingston, Ulster County, New York.

Spouse: Sara Hornbeck.

Spouse: Catrina Smith.

Lucas Decker was born in 1727 in Kingston, Ulster County, New York. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Spouse: Sarah . Sarah and Lucas Decker were married.

Luke Decker was born in 1760 in Virginia. He served in the military during the Revolutionary War between 1775 and 1783. He was reported to have been an Ensign, likely serving in the Continental Navy from Virginia. He died in March 1825 in Knox County, Indiana. His given name has also been found as Lucas. Parents: Jan Decker and Blandina Kuykendall.

Spouse: Sarah Harness. Sarah Harness and Luke Decker were married. Children were: Asa Decker.

Spouse: Trenny Claypool. Trenny Claypool and Luke Decker were married.

Marie Van Etten Decker was born in 1773 in Machackemeck, Orange County, New York.

Spouse: Isaiah Van Auken. Marie Van Etten Decker and Isaiah Van Auken were married.

Richard Decker was born about 1740. Parents: Johannes Hendrick Decker and Elizabeth DeWitt.

Zara Decker was born in 1712 in Kingston, Ulster County, New York. Her given name has also been found as Sarah. Parents: Jan Gerritsen Decker and Barbara DeWitt.

Spouse: Gysbert Van Campen. Zara Decker and Gysbert Van Campen were married.

Alianore deClare was born in October 1292. She was christened after October 1292 in Hertford, Hertfordshire, England. She died on 30 June 1337. Parents: Sir Gilbert deClare Earl of Hertford & Gloucester and Joan Plantagenet.

Spouse: Sir Hugh deSpenser Baron de Spenser. Alianore deClare and Sir Hugh deSpenser Baron de Spenser were married in 1306. Children were: Isabel deSpenser, Edward deSpenser.

Spouse: William la Zouche. Alianore deClare and William la Zouche were married after 29 November 1326 in England.

Sir Gilbert deClare Earl of Hertford & Gloucester was born on 2 September 1243. He died in 1295.

Spouse: Joan Plantagenet. Children were: Alianore deClare.

Maud deClifford was born about 1235. She died about 1282.

Spouse: Sir John Gifford. Children were: Eleanor Gifford.

Rosamund Joan DeClifford was born (date unknown).

Spouse: King Henry II of England. They reportedly never married.Children were: Geoffrey Archbishop of York, William de Longespee Clifford Earl of Salisbury, Peter Plantagenet.

Isaac Austin DeCou was born (date unknown). Parents: Samuel DeCou.

Spouse: Sarah Elizabeth Porter. Sarah Elizabeth Porter and Isaac Austin DeCou were married on 5 September 1876.

Samuel DeCou was born (date unknown).

Children were: Isaac Austin DeCou.

Alberic deDammartin was born about 1160. He died in 1200.

Spouse: Maud deMontmorency. Children were: Count Simon of Dammartin.

Countess Joan deDammartin of Ponthieu was born about 1220 in France. She given the title Countess of Ponthieu in 1251. She died in 1279. Parents: Count Simon of Dammartin and Countess Marie of Ponthieu.

Spouse: King Fernando III of Castile. Countess Joan deDammartin of Ponthieu and King Fernando III of Castile were married in 1237. Children were: Queen Eleanor of England.

Cornelia DeDuyster was born in 1670 in Kingston, Ulster County, New York. Parents: Jan DeDuyster.

Spouse: John Wels. Cornelia DeDuyster and John Wels were married. Children were: Marytjen Wels.

Jan DeDuyster was born about 1644 in Kingston, Ulster County, New York.

Children were: Cornelia DeDuyster.

Agatha DeFerrers was born about 1175.

Spouse: King John I of England. They were never married.Children were: Princess Joan of Wales, Richard Fitz Roy.

Jennie Defried was born in 1860. Parents: William Defried.

Spouse: Charles A. Cann. Jennie Defried and Charles A. Cann were married in 1888. Children were: Eula Cann, Daynon Cann.

William Defried was born in 1830.

Children were: Jennie Defried.

Lena DeGeorgia was born in 1905.

Spouse: Bertram Bernard Cann Jr..

Regina Mary Degnan was born (date unknown).

Spouse: Gregory Wright Frenzel. Children were: Quinn McDermott Frenzel, Teresa Jacquelin (Tessie) Frenzel.

Lady Joan deGrelle was born (date unknown).

Spouse: Sir John LeWarr. Lady Joan deGrelle and Sir John LeWarr were married. Children were: Sir John LeWarr.

Lotta DeGroot was born (date unknown). Her husband's sister married someone with the same surname, and it must be presumed that they were related, but no relationship was noted in the source.

Spouse: Raymond Howbert. Lotta DeGroot and Raymond Howbert were married. Children were: Raymond Howbert.

William DeGroot lived in Los Angeles, Los Angeles County, California in 1938. His wife's brother married someone with the same surname, and it must be presumed that they were related, but no relationship was noted in the source.

Spouse: Ruth Howbert. Ruth Howbert and William DeGroot were married. Children were: William DeGroot.

William DeGroot was born (date unknown). Parents: William DeGroot and Ruth Howbert.

Lawrence DeHaven was born (date unknown).

Spouse: Ada C. Markley. Ada C. Markley and Lawrence DeHaven were married in 1897.

Terry DeHaven was born (date unknown).

Spouse: Jacob Markley. Children were: Jacob Markley, Jason Markley.

Lady Margaret deHolland was born (date unknown).

Spouse: Sir John LeWarr. Lady Margaret deHolland and Sir John LeWarr were married. Children were: Lord Roger LeWarr.

Leonara DeHooges was born about 1642 in Kingston, Ulster County, New York.

Spouse: Cornelius Wels. Leonara DeHooges and Cornelius Wels were married. Children were: John Wels.

Maritje DeHooges was born in 1688.

Spouse: Willem Ostrander. Maritje DeHooges and Willem Ostrander were married in 1705. Children were: Pieter Ostrander, Johannes Ostrander, Rebecca Ostrander, Margriet Ostrander, Rachel Ostrander.

Marianne Francis Deitler was born (date unknown).

Spouse: Ronald Daryl Markley. Children were: Elizabeth Marie Markley, Amy Marie Markley, Michelle Lynn Markley.

Greg F. DeJanes was born (date unknown).

Spouse: Beth Elaine Markley. Children were: Janis Lynn DeJanes.