Before 1394 [his father] James Berkeley (age 39) and [his mother] Elizabeth Bluet were married. He a great x 2 grandson of King Edward "Longshanks" I of England.

On 09 Apr 1410 James Berkeley 11th and 1st Baron Berkeley (age 16) and Unamed St John were married. He a great x 3 grandson of King Edward "Longshanks" I of England.

In 1415 James Berkeley 11th and 1st Baron Berkeley (age 21) and Daughter Stafford Baroness Berkeley were married. He a great x 3 grandson of King Edward "Longshanks" I of England.

Before 1419 Henry Ferrers (age 25) and [his future wife] Isabel Mowbray Baroness Berkeley (age 18) were married. She the daughter of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk (age 52). They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

Before 1423 Thomas Stanley 1st Baron Stanley (age 18) and [his future sister-in-law] Jane Goushill Baroness Stanley (age 21) were married. She the daughter of Robert Goushill and Elizabeth Fitzalan Duchess Norfolk (age 56). She a great x 3 granddaughter of King Edward "Longshanks" I of England.

In 1424 James Berkeley 11th and 1st Baron Berkeley (age 30) and Isabel Mowbray Baroness Berkeley (age 24) were married. She by marriage Baroness Berkeley. She the daughter of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk (age 58). They were half third cousin once removed. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

In or before 1425 Robert Howard (age 40) and [his sister-in-law] Margaret Mowbray Baroness Grey Ruthyn (age 36) were married. She the daughter of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk (age 58). He a great x 4 grandson of King John "Lackland" of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

Before 27 Aug 1439 John Grey (age 52) and [his sister-in-law] Margaret Mowbray Baroness Grey Ruthyn (age 51) were married. She by marriage Baroness Grey of Ruthyn. She the daughter of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk. They were third cousins. He a great x 4 grandson of King Edward "Longshanks" I of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

In 1449 Thomas Boteler and [his future sister-in-law] Eleanor Talbot (age 12) were married. She the daughter of John "Old Talbot" Talbot 1st Earl of Shrewsbury (age 66) and Margaret Beauchamp Countess Shrewsbury and Waterford (age 45). They were half third cousin once removed. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Before 25 Jul 1457 James Berkeley 11th and 1st Baron Berkeley (age 63) and Joan Talbot Baroness Berkeley (age 35) were married. She by marriage Baroness Berkeley. The difference in their ages was 28 years. She the daughter of John "Old Talbot" Talbot 1st Earl of Shrewsbury and Maud Neville 6th Baroness Furnivall. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Before 02 May 1462 John Bourchier 6th Baron Ferrers of Groby (age 24) and [his step-daughter] Elizabeth Ferrers 6th Baroness Ferrers Groby (age 43) were married. He by marriage Baron Ferrers of Groby. He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex (age 58) and Isabel York Countess Eu and Essex (age 53). They were third cousin once removed. He a great x 2 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

William Berkeley and Anne Stafford were married.

William ap Thomas "Blue Knight of Gwent" Herbert and [his mother] Elizabeth Bluet were married.