He grew up in Vienna before moving to England,
where he married a cousin, Evelina, who died in childbirth 18 months later.
The founding members of the party were M.N. Roy, Evelina Trench Roy(Roy's wife),
Abani Mukherji, Rosa Fitingof(Abani's wife), Mohammad Ali(Ahmed Hasan), Mohammad Shafiq Siddiqui and M.P.B.T. Acharya.