(1) He had a relationship with Helena van Lieven.
Child(ren):
(2) He had a relationship with Barbara Sophia van Tausas.
Child(ren):
Bron: https://personen.digitale-sammlungen.de//baltlex/Blatt_bsb00000558,00017.html?prozent=
en: https://www.geni.com/people/Johann-Adolf-von-Anrep-a-Assikas/6000000009093048480
The data shown has no sources.