In or before 1224 [her father] Henry Reginar II Duke Brabant 1207-1248 (age 17) and [her mother] were married. He the son of Henry Reginar VIII Duke Lower Lorraine I Duke Brabant (age 58) and Maud Metz. He a great x 3 grandson of King William "Conqueror" I of England.
Around 1226 Maria Reginar Duchess Bavaria was born to Henry Reginar II Duke Brabant 1207-1248 (age 19) and .
On 05 Sep 1235 [her grandfather] Henry Reginar VIII Duke Lower Lorraine I Duke Brabant (age 70) died. His son [her father] Henry Reginar II Duke Brabant 1207-1248 (age 28) succeeded II Duke Brabant. [her mother] by marriage Duchess Brabant.
On 01 Feb 1248 [her father] Henry Reginar II Duke Brabant 1207-1248 (age 41) died. His son [her brother] Henry Reginar III Duke Brabant 1230-1261 (age 18) succeeded III Duke Brabant. Adelaide Burgundy Duchess Brabant 1233-1273 (age 15) by marriage Duchess Brabant.
On 02 Aug 1254 Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 25) and Maria Reginar Duchess Bavaria (age 28) were married. She by marriage Duchess Bavaria. She the daughter of Henry Reginar II Duke Brabant 1207-1248 and . He the son of Otto "Illustrious" Wittelsbach II Duke Bavaria 1206-1253 and Agnes Welf Duchess Bavaria 1201-1267 (age 53). He a great x 2 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King William "Conqueror" I of England.
On 18 Jan 1256 Maria Reginar Duchess Bavaria (age 30) was beheaded having been accused of adultery by her husband [her husband] Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 26) although there was no proof.
In 1260 [her former husband] Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 30) and were married. She by marriage Duchess Bavaria. He the son of Otto "Illustrious" Wittelsbach II Duke Bavaria 1206-1253 and Agnes Welf Duchess Bavaria 1201-1267 (age 59). He a great x 2 grandson of King Henry "Curtmantle" II of England.
On 24 Oct 1273 [her former husband] Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 44) and Matilda Habsburg Duchess Bavaria 1253-1304 (age 20) were married. She by marriage Duchess Bavaria. The difference in their ages was 23 years. She the daughter of Rudolph I King Romans (age 55) and Gertrude Hohenburg (age 48). He the son of Otto "Illustrious" Wittelsbach II Duke Bavaria 1206-1253 and Agnes Welf Duchess Bavaria 1201-1267. He a great x 2 grandson of King Henry "Curtmantle" II of England.
On 02 Feb 1294 [her former husband] Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 64) died at Heidelburg. His son Rudolf Wittelsbach I Duke Bavaria 1274-1319 (age 19) succeeded Rudolph I Duke Bavaria.
Paternal Family Tree: Reginar aka Percy
Maternal Family Tree: Marie Swabia Duchess Brabant
Kings Wessex: Great x 6 Grand Daughter of King Edmund "Ironside" I of England
Kings England: Great x 4 Grand Daughter of King William "Conqueror" I of England
Kings Scotland: Great x 4 Grand Daughter of Malcolm III King Scotland
Kings Franks: Great x 11 Grand Daughter of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 6 Grand Daughter of Robert "Pious" II King France
Great x 4 Grandfather: Henry Reginar II Count Louvain 1020-1071
Great x 3 Grandfather: Godfrey Reginar I Count Louvain
Great x 2 Grandfather: Godfrey Reginar VII Duke Lower Lorraine 1107-1142
Great x 1 Grandfather: Godfrey Reginar VIII Duke Lower Lorraine 1142-1190
GrandFather: Henry Reginar VIII Duke Lower Lorraine I Duke Brabant
Great x 4 Grandfather: Henry Luxemburg I Duke Lower Lorraine 1059-1119
Great x 3 Grandfather: Waleran "Pagan" Luxemburg Duke Lower Lorraine 1085-1139
Great x 2 Grandfather: Henry Luxemburg II Duke Limburg 1111-1167
Great x 1 Grandmother: Margaret Luxemburg Duchess Lower Lorraine 1138-1173
Father: Henry Reginar II Duke Brabant 1207-1248 3 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Gerard Metz I Duke Lorraine 1030-1070
Great x 3 Grandfather: Theodoric "Valiant" Metz II Duke Lorraine 1055-1115
Great x 2 Grandfather: Thierry Metz Count Flanders 1099-1168
Great x 4 Grandfather: Robert "The Frisian" I Count Flanders
Great x 3 Grandmother: Gertrude Flanders Duchess Lorraine 1080-1117
Great x 4 Grandmother: Gertrude Billung Countess Holland 1030-1113
Great x 1 Grandfather: Matthew Metz Count Boulogne
Great x 4 Grandfather: Fulk "Réchin" Anjou 4th Count Anjou
Great x 3 Grandfather: Fulk "Young" King Jerusalem
Great x 4 Grandmother: Bertrade Montfort Queen Consort France 1070-1117
Great x 2 Grandmother: Sibylla Anjou Countess Essex and Flanders
Great x 4 Grandfather: Elias La Flèche De Baugency I Count Maine
GrandMother: Maud Metz 2 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Theobald Blois III Count Blois
Great x 3 Grandfather: Stephen Blois II Count Blois and Chartres 1045-1102
Great x 2 Grandfather: King Stephen I England Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: King William "Conqueror" I of England -2 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Adela Normandy Countess Blois 1067-1137 Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Flanders Queen Consort England
Great x 1 Grandmother: Marie Blois I Countess Boulogne Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Eustace Flanders II Count Boulogne
Great x 3 Grandfather: Eustace Flanders III Count Boulogne
Great x 4 Grandmother: Ida Ardennes Countess Boulogne
Great x 2 Grandmother: Matilda Flanders
Great x 4 Grandfather: Malcolm III King Scotland
Great x 3 Grandmother: Mary Dunkeld Countess Boulogne 1082-1116
Great x 4 Grandmother: Margaret Wessex Queen Consort Scotland
Maria Reginar Duchess Bavaria 1226-1256 4 x Great Grand Daughter of King William "Conqueror" I of England