I've traced one of my lines back to an Abraham Mendes de Leon (or
Leao). His children, born in Amsterdam, married in London and Amsterdam
in the mid-18th century. I can find no record of Abraham's birth,
circumcision or marriage in the London or Amsterdam records.
I'm guessing he and his wife came to Amsterdam >from Portugal or Brazil
or >from one of the Sephardi communities elsewhere. I've found mention
of New Christian Mendes de Leaos in Portugal and Brazil in Inquisition
records of the right period. Their original (Jewish) surname was
I can't find any mention of Mendes de Leons/Leaos in the Hamburg
records. Can anyone suggest where I should look next?