 His first wife, Elizabeth Pruden, was the daughter of John Peter Pruden, who was a Chief Trader and in 1836 was commissioned a Chief Factor.Although the marriage was not conducted by clergy when Harriott married Elizabeth he made a solemn promise to live with her as his wife until her death.Later when Harriott married Nancy Rowand, the daughter of John Rowand and his half-French-Canadian, half-Cree wife Louise Unfreville, the marriage was performed by a Catholic priest.