Mathias Jochem (the original spelling of the Yocoms in America, based on the record) was the son on Heinrich and Gertrude Jochem. I do not have Mathias' date of death. He was born in Germany prior to the family immigrating to New Amsterdam. Mathias was married, but I have been unable to learn his wife's name. They had one son, Francis, born 1658, died 1752.