The information on registered seafarers is not in all cases complete. As new sources are studied, information on engagements and medals etc. will be added to some of the already registered seafarers.
Londonregisteret:
Registernummer under krigen: London 30029.
Gift med (jf. London-kort): Katharine.
Gustav A.Håkonsen og Katharine hadde per 23. juni 1941 tre barn.