Family tree M. Tolsma » Sources »
- 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 Eustachia De COURTENAY, person ID KNX1-VP5.
- FamilySea
- 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 Eustachia De COURTENAY, person ID KNX1-VP5.
- 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 Eustachia de Courtenay, person ID KF2Y-7SX.
- 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 Eustachia De Courtenay, person ID 2ZV5-381.
- 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 Eustachia De Courtenay, person ID 9ZZW-CPS.

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Information from this source

• Birth of Eustachia de Courtenay (1162)
• Birth of Eustachia de Courtenay (1162)
• Death of Eustachia de Courtenay (July 2, 1235)
• Death of Eustachia de Courtenay (July 2, 1235)

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