+---Edward Ottaway Mann (31 JUL 1834-31 AUG 1901)
| | +---George Ottaway
| +---Eliza Ottaway 
(1807-)
| +---Lucy Munn
Frederick Edward Mann (13 MAR 1870-29 JAN 1938)
+---Mary-Ann Osmund (1832-)
+---Edward Ottaway Mann (31 JUL 1834-31 AUG 1901)
| | +---George Ottaway
| +---Eliza Ottaway (1807-)
| +---Lucy Munn
Frederick Edward Mann (13 MAR 1870-29 JAN 1938)
+---Mary-Ann Osmund (1832-)