Wife Aeltje of Staten Island who were killed - where is this from and what is it referring to?
From research of Helen Endecott and Rex Barricklow 1964:
...Hendrick and the son of Hendrick and Magdalena was baptized in 1780.
Brothers of Hendrick Sr., Conrad for one, emigrated to York Co. Pennsylvania in 1787 and two years later settled in Fayette Co. where my great grandfather George lived many years.
from the ADDITIONS AND CORRECTIONS of the New York Genealogical and Biographical Record, Oct. 1960
"In 1787 he moved to York Co. Pa., and three yrs later to Uniontown, Fayette Co., Pa. where he purchased land of Joseph Ogilvee who later became his son-in-law.
Baptized 3 Oct. 1742 6 Mile Run DR Church.
Buried in East Liberty Cemetery.