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Katharina von Habsburg, Katharina, was born 1320 to Leopold I. von Habsburg (1290-1326) and Catherine de Savoie (c1296-1336) and died 1349 of unspecified causes. She married Enguerrand VI de Coucy (1313-1346) .
Children
| Name | Birth | Death | Joined with |
| Enguerrand VII de Coucy (1339-1397) | 1339 | 18 February 1397 Bursa | Isabella de Coucy (1332-1382) Isabelle de Lorraine (c1366-c1410) |