Emanuel is een zoon van Isaak Vecht en Flora Spier. Hij trouwde 26 juni 1924 met Esther Orchudesch (24 jaar), dochter van Aron Orchudesch en Anna Woudhuijsen.
The family Vecht lived at 8 Buitenrustplein in Voorburg. There were three sons. Two sons, Alfred Frits and Henri attended the higher secondary school. The third one was a late arrival, Joost Edward nicknamed Joosje.
A neighbour of the family Vecht wrote about their departure: 'I remember the day they left, only because when I looked in the pram, Joosje was not in it yet and at the head end there …