She is married to Sigismund Pierre Alexander Rijksgraaf van Heiden Tot Entinge.
They got married on January 24, 1769 at The Hague, Holland (South), Netherlands, she was 20 years old.
Child(ren):
Source: FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints
accessed 27 Jun 2016), entry for Jacob Derk Carel Van Heeckeren, person ID KWJF-RX1.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=KWJF-RX1
Source: FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints
accessed 29 Jun 2016), entry for Maria Frederik Countess Van Reede, person ID K6QB-GNG.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=K6QB-GNG
FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 29 Jun 2016), entry for Maria Frederik Countess Van Reede, person ID K6QB-GNG. FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 29 Jun 2016), entry for Maria Frederik Countess Van Reede, person ID K6QB-GNG.