(1) He is married to Elisabeth Esperanza van Dohna-Schlobitten.
They got married on March 24, 1713, he was 28 years old.
(2) He is married to Charlotte Eleonore Amalia Dorothea van Dönhoff.
They got married on March 28, 1723 at Berlijn , he was 38 years old.
Child(ren):
Bron: http://genealogics.org/getperson.php?personID=I00146623&tree=LEO
en: http://www.geneall.net/D/per_page.php?id=1845440
en: http://gw4.geneanet.org/index.php3?b=meuropeennes⟨=nl;p=otto;n=von+schwerin
The data shown has no sources.