Jan can not be the same person as JanvanSenderen. Both JanvanSenderen and the daughter of Jan van Senderen are mentioned in the will of HenrikLubberts. Jan van Senderen died before 1704.
Jan can not be the same person as JanHendriksvanSenderen. JanHendriksvanSenderen marries in 1695, Jan van Senderen's daughter in 1704.
JanvanSenderen died b 1704, because he died before Wilmijne's marriage.1