Sir William I, Lord of Brereton Knight

  Noted events in his life were:

• Background Information. ⁶⁹⁶
About 1275, Sir William Brereton, married Roseia, daughter of Ralph de Vernon. This wedding united the Breretons with the Vernons of "Haddon Hall." This Sir William later gave one hundred marks for the marriage of their daughter to Thomas de Davenport in 1301. He was knighted by Edward III in 1321.

In 1342, Sir William and his wife, Roesia, united in a deed of lands in Brereton parish. Rosesia's name was put in the deeds. This same Sir William received indulgences from the Pope for services rendered in the Crusades to the Holy Sepulchre, about 1350.

~Brereton, a Family History, pg. 10-11

• Background Information. ⁷¹³
Sir William de Brereton, son of Sir Willam de Brereton and the daughter of Richard de Sonbach, was kinight in 1301. He appears in record in 1321 and 15 Edward 3. He married Rose, daughter of Ralph de Vernon of Shipbrook. He had a brother named Hamo de Brerton who was rector of the church of Brereton, 1344.

The children of Sir William and Rose, as given by Ormerod, were:

Peter de Brerton
Richard de Brerton, 15 Edward II
William de Brerton, living 15 Edward II, died in his father's life time, married to Margery, daughter of Richard de Bosley.
John de Brereton, rector of Wallasey
Nicholas de Brerton, married margaret and their children were John, a chaplain and William de Brereton.
Margery de Brerton, wife of John de Davenport, lord of Daenport, contracted 1301, divorced 1305, both being within age
Matilda de Breton, wife of John Dumville.

~Ormerod's History of the County Palatine and City of Chester, Vol. III, p.88, "Brereton and Holt of Brereton" pedigree

William married Rose de Vernon of Shipbrook, daughter of Sir Ralfe de Vernon Knight, Baron of Shipbrook and Mary Darce, in Cheshire, England.⁷¹³ (Rose de Vernon of Shipbrook was born about 1278 in Shipbrook, Cheshire, England.)