Ook bekend als: Isaac Moses Werkendam, bron: Huwelijksakte en Huwelijksbijlagen, (49875), geb. ‎± 1759 te Frankfurt a/d Main (Germany)‎, bron: Overlijdensakte, ovl. ‎23 aug 1851 te Amsterdam‎, ongeveer 92 jaar, bron: Overlijdensakte. Beroep(en): porter/kruier [Bronnen]
Isaac Moses living Uilenburg nr 6 in Amsterdam on January 22nd 1812 acte 44 V C 22-1 took the name PELZER for 7 sons and 1 daughter t.w.
Mozes 15 years old
Isaac 13 years old
Marcus 11 years old
Simon 9 years old
Gompert 7 years old
Hijman 6 years old
Rijntje 3 years old
Aron 4 months old

Allthough the father took the name PELZER for all the children, because of a wedding act and inscribtion to the millition it is that Moses Isaac later on, just as his father took the name WERKENDAM, the place where Isaac Moses was born.
On the death certificate of Isaac Moses Pelser the name of the parents are only known as Moses and Reintje.