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.
NorwayLondonregisteret:
Registernummer under krigen: London 7500 & 29409, NY 1238.
Gift med (iflg. Londonregisteret): Ann Fredriksen.
I Uboat.net er han registrert som amerikaner med navnet: Frederickson, Hjalmar.
RA/S-2081/F/Fe/Fea/L0025
Ellis Island og andre New York passasjerlister, 1820-1957 - MyHeritage