Descent of Mary Cowper
- Mary Cowper was partner of Thomas Whitmee and mother of William Whitmee
- William Whitmee was partner of Cicely Whitmee and father of Samuel Whitmee
- Samuel Whitmee was partner of Ann Whitmee and father of Samuel Whitmey
- Samuel Whitmey was partner of Elizabeth Whitmee and father of Samuel Whitmee
- Samuel Whitmee was partner of Mary Colson and father of Thomas Whitmee
- Thomas Whitmee was partner of Elizabeth Beal and father of Thomas Whitmee
- Thomas Whitmee was partner of Hannah James and father of Thomas Whitmee
- Thomas Whitmee was partner of Elizabeth Old and father of Peter Whitmee
- Peter Whitmee was partner of Mary Petit and father of Eliza Whitmee
- Eliza Whitmee was partner of John Hall and mother of Joseph Hall
- Joseph Hall was partner of Louisa Meeks and father of Mabel Hall
- Mabel Hall was partner of John Berriman and mother of John Hall Berriman
- John Hall Berriman was partner of Violet Sybil Kirk and father of Heather June Berriman