James Henry Lampman was the only son of UNK Lampman and Sarah Elizabeth Miller. James Henry's father is believed to have been born in Wisconin and died fighting the Civil War. Sarah went on to marry William Rasdon. Sarah and William had 9 children together.
James 1st married A.A. Ward in Arkansas. There were no known children of that marriage.
James married 2nd Mary Elizabeth Wilson. Mary had previously been married to UNK Higginbotham. She had one son, Jesse Franklin Higginbotham. Jesse used the Lampman name the remainder of his life.