Researching Lehigh Township, Northampton County? Wondering where that early ancestor's Lehigh Township land is situated on today's map? I've researched that for you, created a map, and published the tract details in a book described here.
The Silvius/Silfies/Silfius/Silvis/Silvus/Silvieus/Silvious/Silves/Silvey/Sylvis Family and their Photo Scrapbooks The place to start! Johann Henrich (#1 on Mary Cole's Chart)
Stories of descendants of #1 Johann
Henrich and of his brothers' descendants
Conrad Philpheus Is he #3 Conrad Silvius?
1790 census entry in "Leahigh" Township, Northampton County, page 286
J. B. Silvis No longer a Silvii mystery
On the Road Again With the Silvii All Silvii roads lead to home.