Jan I van Loon was born 1230 to Arnold IV van Loon (-1273) and Jeanne de Chiny (1205-1271) and died 19 January 1279 of unspecified causes. He married Mathilde von Jülich (c1238-bef1279) 1258 JL . He married Isabelle de Condé (?-?) 1269 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996). Ancestors are from France, Germany, the United Kingdom, Belgium, the Byzantine Empire.


Offspring of Jan I van Loon and Mathilde von Jülich (c1238-bef1279)
Name Birth Death Joined with
Arnold V van Loon (1260-1323) 1260 22 August 1323 Marguerite de Vianden (-1316)

Lodewijk van Loon (?-?)
Willem van Loon (?-?)

Offspring of Jan I van Loon and Isabelle de Condé (?-?)
Name Birth Death Joined with
Jan II van Loon (1270-1311) 1270 1311 Marie of Nesle (bef1300-)

Jacquemin van Loon (?-?)

Footnotes (including sources)

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.