In 1783, he married an Iroquois woman by the name of Marie-Louise Schuyler and the couple moved to Kahnawake, where he became resident agent.
Claude served as resident captain for the Iroquois forces at Caughnawaga during the War of 1812 and fought at the Battle of Châteauguay.
Stephen-Ambroise, attorney Albert-Emmanuel (Albert Oronhiatekha), Georges-Gervais, Joseph (Sose Ountiakase) and Jean-Baptiste (Sawakis Tahohenta) were five of their seventeen children.
George de Lorimier lies buried under the Saint-Francis-Xavier Mission Roman Catholic church in Kahnawake,Quebec.
Its web page can be accessed here: http://ville.montreal.qc.ca/portal/page?_pageid=3156,3579362&_dad=portal&_schema=PORTAL The stone house which de Lorimier owned from 1795 to 1803 still stands as of 2009.