# Sir William Marmion, of Tanfield

> Est 1230 - 27 Jul 1275

**Wikidata**: [Q100153759](https://www.wikidata.org/wiki/Q100153759)  
**Source**: https://4ort.xyz/entity/sir-william-marmion-of-tanfield


## References

1. Genealogics
2. WikiTree