Robert Mangnall was born in 1864 in Manchester to Robert Hartley Mangnall (GM028) and Judith Porter (GM200).
The 1871 Census shows John was a scholar living at 4 Factory Brow, Tetlow Bridge in Crumpsall with his parents and siblings.
We know that Robert married Marie Burrel Smart in 1902, presumably in Australia. They had at least three children:-
- Robert Hartley b.1903 in Footscray, Australia;
- Frank Albert Burrell b.1904 in Footscray, Australia;
- Dorothy Maria Edna b.1906 in Kensington Hill, Australia.
- Robert died in 1936 in Carlton, Victoria, Australia.