He is married to Aeltjen Morgenstern.
They got married on January 7, 1675 at Lochem (Ge).
Ruijter onder ritmeester Lennep.
Bron FamilySearch
akte 7 jan 1675 Lochem (Ge), trouwen Willem Otten x Aeltjen Morgenstern (Bruidegom)
url (#https://familysearch.org/pal:/MM9.3.1/TH-1942-33006-14373-85?cc=2038506&wc=SMHQ-C66:1292637101,346642101,347303101#)