The Family of Keith T. N. Lapp of Summerside, P.E.I., Canada

I am assembling information on the descendants and ancestors of Samuel Lapp, born 6th October 1789 in New York city NY and died 8th December1871 in Grafton ON Canada. He married Katrina Keller (1879-1859) in Ernestown ON Canada.
There is evidence that his father was Jeremiah Lapp, born, probably in PA in 1748 and died in 1806 and that his grandfather was Rudolph Lapp (1722-?), son of Johannes Lap who landed in Philadelphia PA on 29th September 1733 on the "Pink Mary from Rotterdam with his wife Hanna christina (Meili?) and 3 chrildren, Rudolph -11, Anna Maria -9, and Anna Christina -8.