 Complete the following phrase:  Hoff married Ann Eliza van Rensselaer, member of a prominent political family, shortly after his move. Their son, John van Rensselaer Hoff, was born in 1848. John became a military surgeon, too. He founded the Army Hospital Corps in 1898, served as Deputy Surgeon General, returned for service during World War I and was posthumously awarded the Distinguished Service Cross for service at 