This is all I know about Dr. James Gilbert Van Marter.
Do you know more?
Dr. James Gilbert Van Marter
B. 1835 of New, York
Married 22 Jan 1867
B. 19 Dec 1844 Benton County, Missouri
D.26 Sept 1927
They had 3 children
Leonora Sophia Van Marter who married the 7th Earl of Tankerville, George Montagu Bennet
Bertha Van Marter
Dr. James Gilbert Van Marter Jr. who died 6 Jun 1907 in Santa Cruz, Bolivia
The information comes from a memorandum written by Sophia Alber's father Claus Albers and mother Rebecca Knoop on his fiftieth wedding (6 Mar 1889) aniversary when he also wrote a family history.
From chart prepared by Lloyd Zuppann in the 1950s
Hancock County Record, Illinois
1850 and 1860 census Hancock County, Illinois
A beautiful picture of Leonora Sophia Van Marter Bennet can be seen athttp://lafayette.150m.com/tan3195b.html