In 1217 [her father] Gilbert Clare 5th Earl Gloucester 4th Earl Hertford (age 37) was created 1st Lord Glamorgan.
In 1217 [her grandfather] Richard Clare 3rd Earl Hertford 1153-1217 (age 64) died. His son [her father] Gilbert Clare 5th Earl Gloucester 4th Earl Hertford (age 37) succeeded 5th Earl Gloucester, 4th Earl Hertford, 7th Lord Clare.
On 10 Sep 1217 William Redvers 5th Earl Devon -1217 died. His grandson [her future husband] Baldwin Redvers 6th Earl Devon 1217-1245 succeeded 6th Earl Devon.
In or before 1218 [her father] Gilbert Clare 5th Earl Gloucester 4th Earl Hertford (age 38) and [her mother] Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240 (age 17) were married. She by marriage Countess Gloucester, Countess Hertford. The difference in their ages was 20 years. She the daughter of William Marshal 1st Earl Pembroke (age 71) and Isabel Clare Countess Pembroke (age 45). He the son of Richard Clare 3rd Earl Hertford 1153-1217 and Amice Fitzrobert Countess Hertford -1220. They were third cousins. He a great x 2 grandson of King Henry I "Beauclerc" England.
On 27 May 1220 Amice Clare Countess Devon was born to Gilbert Clare 5th Earl Gloucester 4th Earl Hertford (age 40) and Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240 (age 19). She a great x 3 granddaughter of King Henry I "Beauclerc" England.
On 25 Oct 1230 [her father] Gilbert Clare 5th Earl Gloucester 4th Earl Hertford (age 50) died. His son [her brother] Richard de Clare 6th Earl Gloucester 5th Earl Hertford (age 8) succeeded 6th Earl Gloucester, 5th Earl Hertford, 8th Lord Clare, 2nd Lord Glamorgan.
On 30 Mar 1231 [her step-father] Richard of Cornwall 1st Earl Cornwall (age 22) and [her mother] Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240 (age 30) were married at Fawley, Lambourn. She by marriage Countess Cornwall. She the daughter of William Marshal 1st Earl Pembroke and Isabel Clare Countess Pembroke. He the son of King John "Lackland" of England and Isabella of Angoulême Queen Consort England (age 43).
On 01 Jan 1236 [her son] Baldwin Redvers 7th Earl Devon 1236-1262 was born to [her future husband] Baldwin Redvers 6th Earl Devon 1217-1245 (age 19) and Amice Clare Countess Devon (age 15).
In Jul 1237 [her daughter] Isabella Redvers 8th Countess Devon and Albemarle aka Aumale 1237-1293 was born to [her future husband] Baldwin Redvers 6th Earl Devon 1217-1245 (age 20) and Amice Clare Countess Devon (age 17).
On 17 Jan 1240 [her mother] Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240 (age 39) died.
On 15 Feb 1245 [her future husband] Baldwin Redvers 6th Earl Devon 1217-1245 (age 28) died. His son [her son] Baldwin Redvers 7th Earl Devon 1236-1262 (age 9) succeeded 7th Earl Devon.
In 1248 [her son-in-law] William Forz 4th Earl Albemarle aka Aumale and [her daughter] Isabella Redvers 8th Countess Devon and Albemarle aka Aumale 1237-1293 (age 10) were married. She by marriage Countess Albemarle aka Aumale1C 1127. She the daughter of Baldwin Redvers 6th Earl Devon 1217-1245 and Amice Clare Countess Devon 1220-1287 (age 27). He the son of William Forz 3rd Earl Albemarle aka Aumale and Aveline Montfichet. She a great x 4 granddaughter of King Henry I "Beauclerc" England.
In 1255 Baldwin Redvers 6th Earl Devon 1217-1245 and Amice Clare Countess Devon (age 34) were married. She by marriage Countess Devon. She the daughter of Gilbert Clare 5th Earl Gloucester 4th Earl Hertford and Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240. They were half fourth cousins. He a great x 3 grandson of King Henry I "Beauclerc" England. She a great x 3 granddaughter of King Henry I "Beauclerc" England.
In 1257 [her son] Baldwin Redvers 7th Earl Devon 1236-1262 (age 20) and [her daughter-in-law] Margherita Savoy Countess Devon -1273 were married. She by marriage Countess Devon. She the daughter of Thomas Savoy I Count Savoy and . He the son of Baldwin Redvers 6th Earl Devon 1217-1245 and Amice Clare Countess Devon 1220-1287 (age 36). He a great x 4 grandson of King Henry I "Beauclerc" England.
Paternal Family Tree: Norman
Maternal Family Tree: Aoife NI Diarmait Macmurrough Countess Pembroke and Buckingham 1145-1188
Kings Wessex: Great x 11 Grand Daughter of King Alfred "The Great" of Wessex
Kings England: Great x 3 Grand Daughter of King Henry I "Beauclerc" England
Kings Franks: Great x 13 Grand Daughter of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 6 Grand Daughter of Robert "Pious" II King France
King Edward VI of England and Ireland x 1
Queen Elizabeth II of the United Kingdom x 15
King Charles III x 15
Great x 4 Grandfather: Richard de Clare
Great x 3 Grandfather: Gilbert de Clare
Great x 4 Grandmother: Rohese Giffard
Great x 2 Grandfather: Richard de Clare
Great x 4 Grandfather: Hugh Claremont
Great x 3 Grandmother: Adeliza Claremont
Great x 1 Grandfather: Roger Clare 2nd Earl Hertford 1116-1173
Great x 4 Grandfather: Ranulf de Briquessart Gernon Viscount Bessin
Great x 3 Grandfather: Ranulf le Meschin Gernon 3rd Earl Chester 1070-1129
Great x 4 Grandmother: Margaret Avranches
Great x 2 Grandmother: Alice Gernon
GrandFather: Richard Clare 3rd Earl Hertford 1153-1217
Father: Gilbert Clare 5th Earl Gloucester 4th Earl Hertford 2 x Great Grand Son of King Henry I "Beauclerc" 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 Grandfather: King Henry I "Beauclerc" England Son of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Flanders Queen Consort England
Great x 2 Grandfather: Robert Normandy 1st Earl Gloucester Son of King Henry I "Beauclerc" England
Great x 1 Grandfather: William Fitzrobert 2nd Earl Gloucester -1183 Grand Son of King Henry I "Beauclerc" England
GrandMother: Amice Fitzrobert Countess Hertford -1220 Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Roger "Bearded" Beaumont
Great x 3 Grandfather: Robert Beaumont 1st Earl of Leicester Count Meulan
Great x 4 Grandmother: Adeline Meulan
Great x 2 Grandfather: Robert Beaumont 2nd Earl of Leicester 1104-1168
Great x 4 Grandfather: Hugh "Great" Capet 1057-1101
Great x 3 Grandmother: Elizabeth Capet Countess Leicester, Meulan and Surrey 1085-1131
Great x 4 Grandmother: Adelaide I Countess Vermandois -1120
Great x 1 Grandmother: Hawise Beaumont Countess Gloucester
Great x 4 Grandfather: Ralph de Gael 2nd Earl East Anglia
Great x 3 Grandfather: Raoul Gael
Great x 4 Grandmother: Emma Fitzosbern Countess East Anglia
Amice Clare Countess Devon 1220-1287 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 1 Grandfather: John Fitzgilbert
GrandFather: William Marshal 1st Earl Pembroke
Great x 3 Grandfather: Edward of Salisbury 1st Baron Trowbridge 1st Baron Chitterne
Great x 2 Grandfather: Walter of Salisbury 2nd Baron Chitterne
Great x 1 Grandmother: Sybil of Salisbury
Mother: Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240
Great x 4 Grandfather: Richard de Clare
Great x 3 Grandfather: Gilbert de Clare
Great x 4 Grandmother: Rohese Giffard
Great x 2 Grandfather: Gilbert de Clare 1st Earl Pembroke 1100-1148
Great x 4 Grandfather: Hugh Claremont
Great x 3 Grandmother: Adeliza Claremont
Great x 1 Grandfather: Richard "Strongbow" Clare 2nd Earl Pembroke 1130-1176
Great x 4 Grandfather: Roger "Bearded" Beaumont
Great x 3 Grandfather: Robert Beaumont 1st Earl of Leicester Count Meulan
Great x 4 Grandmother: Adeline Meulan
Great x 2 Grandmother: Isabel Beaumont Countess Pembroke
Great x 4 Grandfather: Hugh "Great" Capet 1057-1101
Great x 3 Grandmother: Elizabeth Capet Countess Leicester, Meulan and Surrey 1085-1131
Great x 4 Grandmother: Adelaide I Countess Vermandois -1120
GrandMother: Isabel Clare Countess Pembroke