Warnier was born in BET 1240 AND 1250, the son of unknown parents. The place is not known.
He died on 16 MAR 1278 in Aachen (Bad Aachen, Aken, Aix-la-Chapelle, Aquæ Granni), Köln, Nordrhein-Westfalen, Deutschland .
His wife was Sophia von Weisweiler. They were married, but the date and place have not been found. Their two known children were Marguerite (?-?) and Warnier V (IV) (c1270-<1316).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | BET 1240 AND 1250 |
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| Death | 16 MAR 1278 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | baron de Mérode |