# O.G. Heldring
**Wikidata**: [Q84593454](https://www.wikidata.org/wiki/Q84593454)  
**Source**: https://4ort.xyz/entity/o-g-heldring


## References

1. [Source](https://www.genealogieonline.nl/stamboom-ocken/I22124.php)
2. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.21.085?node=c01%253A3.c02%253A16.c03%253A0.c04%253A1.c05%253A14.&sluit=c01%3A3.c02%3A16.c03%3A0.%23c01%3A3.c02%3A16.c03%3A0.)
3. Source
4. NMVW-collection website