Duncan Peter was born on May 29th, 1865. Duncan Peter's father was Peter McMartin and his mother was Ann Storey. His maternal grandparents were Benjamin Storey and Jane Hogg. He had four brothers and a sister, named John, Benjamin, Henry, Robert E. and Martha. He was the third oldest of the six children. He had a half-sister named Eliza J. He died at the age of 72 on November 8th, 1937.