Margaret II d'Avesnes, Countess Regnant of Hainaut, Countess Regnant of Holland, Countess Regnant of Zeeland, was born 1311 to William I of Hainaut (c1286-1337) and Jeanne de Valois (c1294-1342) and died 23 June 1356 of unspecified causes. She married Ludwig IV. von Wittelsbach (1282-1347) 1324 JL .
Children
| Name | Birth | Death | Joined with |
| Margarete von Wittelsbach (1325-1374) | |||
| Anna von Wittelsbach (c1326-1361) | |||
| Ludwig VI. von Bayern (1328-1365) | 7 May 1328 Rome, Italy | 17 May 1365 Berlin, Germany | Cunigunde of Poland (1334-1357) Ingeborg of Mecklenburg-Schwerin (1343-1395) |
| Elisabeth von Wittelsbach (1329-1402) | 1329 | 2 August 1402 Stuttgart, Germany | Ulrich von Württemberg (1342-1388) |
| William von Wittelsbach (1330-1389) | 12 May 1330 Frankfurt am Main, Hesse, Germany | 15 April 1389 Le Quesnoy | Maud of Lancaster (1339-1362) |
| Agnes von Wittelsbach (1335-1352) | |||
| Albrecht von Wittelsbach (1336-1404) | 25 July 1336 Munich, Germany | 13 December 1404 The Hague, Netherlands | Malgorzata von Brieg (c1342-1386) Margarte von der Mark (c1375-1412) |
| Otto V the Bavarian (1340-1379) | |||
| Beatrix von Wittelsbach (1344-1359) | 1344 | 25 December 1359 | Eric XII of Sweden (1339-1359) |
| Ludwig von Wittelsbach (1347-1348) | |||