Descent of John Barrett
- John Barrett was partner of Harriet Goodbody and father of Charlotte Barrett
- Charlotte Barrett was mother of Harriet Skipper
- Harriet Skipper was partner of Frederic Bonas and mother of Sybil May Bonas
- Sybil May Bonas was partner of Alexander Leahair Kirk and mother of Violet Sybil Kirk
- Violet Sybil Kirk was partner of John Hall Berriman and mother of Heather June Berriman