We are back in in the days of LATIN for records , and its hard to phoenetically "picture" what this may have evolved to, or its roots

Seabrands / Siebrands / Siebrandt might be "linked"

Margaret Sibbraunce
--------------------------------------------------
Event(s):
Birth: About 1538 Of, Ruardean, Gloucester, England

Christening:
Death: 16 DEC 1559 Ruardean, Gloucester, England
---------------------------------
Marriages:
Spouse: John Yeme
Marriage: 19 JUN 1559 Ruardean, Gloucester, England