Larsurus was born on December 28th, 1635. Larsurus' father was Philomen Pormort and his mother was Susanna Billingham. He had two sisters, and also a sibling of unknown gender named Elizabeth, Mary and Pedaiah. He was the second youngest of the four children. He had a half-sister, and also a half-sibling of unknown gender named Martha and Borshua. He died at the age of 71 on June 11th, 1707.