| Father | Bela IV, King HUNGARY King (1206 - ) |
| Mother | Maria LASKARINA [PRINCESS OF BYZ (1206 - ) |
| Sibling | Margit, Princess Of HUNGARY (1226 - 1242) |
| Sibling | Anna, Princess Of HUNGARY Princess (1227 - 1274) |
| Sibling | Katalin, Princess Of HUNGARY (1229 - 1242) |
| Sibling | Erzsebet Princess Of HUNGARY (1236 - ) |
| Sibling | Konstancia, Princess Of HUNGARY (1237 - ) |
| Sibling | Ilona (Jolan), Princess HUNGARY (1238 - 1298) |
| Sibling | Istvan V, King HUNGARY King (1240 - 1272) |
| Sibling | Margit, Princess Of HUNGARY (1242 - 1271) |
| Sibling | Bela, PRINCE Of HUNGARY (1243 - 1269) |
| Sibling | Szabina, Princess Of HUNGARY (1245 - ) |
| Sibling | Stephen V Of HUNGARY King (1240 - 1272) |