Jacob <Gerrit> Stryker (

Jacob <Gerrit>'s father was Gerrit <Herman> Strucker (Strijker) Van Ruinen.  His/her paternal grandfather is Herman Strijcker. He/she had two brothers and a sister, and also three siblings of unknown gender, named Jan <Gerrit>, Jacobus <Gerrit>, Angenietje <Gerrit>, Hendrick <Gerrit> Stryker, Hille <Gerrit> and Roelof <Gerrit> Stryker.