| Bronnen |
- [S324] Burgelijke Stand Gemeente Ulrum, Geboorteregister Gemeente Ulrum (GR), ((www.allegroningers.nl)), https://www.allegroningers.nl/zoeken-op-naam/deeds/07193d11-0fda-08b8-a20d-9a52f535dee7?person=5c012a10-643e-4b6a-f472-10970370ddf1. (Betrouwbaarheid: 3).
- [S509] Home Office: Aliens Department and successors, Naturalizations UK - HO 405 (Applications), ((https://www.nationalarchives.gov.uk)), Application HO 405/42692 (P 23595); https://discovery.nationalarchives.gov.uk/details/r/C13309339. (Betrouwbaarheid: 4).
- [S510] Home Office Immigration and Nationality Department, Naturalizations UK - HO 334 (Certificates), ((https://www.nationalarchives.gov.uk/)), Certificate AZ47023 Referene HO 334/220/47023 (P 23595); https://discovery.nationalarchives.gov.uk/details/r/C11879381. (Betrouwbaarheid: 4).
- [S555] General Register Office, Southport, Death Records UK - England and Wales Death Registration Index 1837-2007, ((https://www.familysearch.org/search/collection/2285341)), https://www.familysearch.org/ark:/61903/1:1:QVCR-KJ5P. (Betrouwbaarheid: 3).
- [S323] Burgelijke Stand Gemeente Ulrum, Huwelijksregister Gemeente Ulrum (GR), ((www.allegroningers.nl)), Huwelijksregister 1913, aktenummer 18; http://allegroningers.nl/zoeken-op-naam/deeds/11d17bb6-f9ad-e5f5-cacc-5ef0af127793?person=9089e6f2-7b60-5cb7-3b94-31dbd5919600. (Betrouwbaarheid: 4).
- [S552] General Register Office, Southport, Marriage Records UK - England & Wales Marriage Registration Index 1837-2005, ((https://www.familysearch.org/search/collection/2285732)), https://www.familysearch.org/ark:/61903/1:1:QV8B-5ZFH. (Betrouwbaarheid: 3).
- [S552] General Register Office, Southport, Marriage Records UK - England & Wales Marriage Registration Index 1837-2005, ((https://www.familysearch.org/search/collection/2285732)), https://www.familysearch.org/ark:/61903/1:1:QV81-STCZ. (Betrouwbaarheid: 3).
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