Extracted from "Genealogy of the Dutton family of Pennsylvania"
compiled by Gilbert Cope, printed in 1871 (pp.20-21):
He was the heir of his uncle, Lawrence. King Henry IV granted Sir Piers a pardon for having supported Henry Percy "Hotspur". He
was made Lieutenant or Deputy in the office of the Seneschaly of the County of Chester. . . A bitter feud developed between Sir Piers and Sir William Athurton of Lancashire, which involved many partisans besides these two men. Sir Piers' partisans stole 40 oxen and 40 cows from Atherton and beat his servants. Atherton stole horses and saddles from Sir Piers. Both sides were guilty of making incursions and invasions of each others estates. In 1419, the Regent of England, John, Duke of Bedford, was finally able to make peace by ordering mutual restitution
. . . Sir Peter was made Governor of Northwood Park in Over Whitley, during his life, with all the fees thereof. . .
Children of Piers & ELIZABETH:
1.) Thomas, m. Alice, dau. of Sir John Stanley, d.s.p. abt. 1431.
2.) JOHN, the heir and our ancestor.
3.) Richard, whose line died with his son, Lawrence.
4.) Parnell, m. (1) Hugh Venables, Baron of Kinderton,
m. (2.) Richard Booth
5.) Elizabeth, m. John, son & heir of John Done of Utkinton.
6.) Ellen, m. Griffith, son & heir of John Hanmere
7.) Sybil, m. Geffrey, son of Randle Starky of Stretton, Cheshire.

"Leyester's Historical Antiquities", pp. 248-260, published 1673 as found in Gilbert Cope's "Genealogy of the Dutton Family of Pennsylvania", published 1871.
Sir Peter Dutton of Dutton Knight, Son and Heir of Edmund Dutton, which Edmund was younger brother and next Heir to Sir Lawrence Dutton of Dutton. This Sir Peter married Elizabeth, daughter of Sir William Butler of Beusy, Lord of Warrington; and had issue, Sir Thomas de Dutton, who married Alice, daughter of Sir John Stanley, but died without issue about 9 Hen. 6, in the life-time of his father: Alice, his widow, after married John Wolton, 11 Hen. 6, ut per inquisitionem post mortem Johannis de Dutton, 24 Hen. 6. John Dutton, second son, who suceeeded Heir to his father; Richard Dutton, another son, living 1440 & 1451, which Richard had issue, Lawrence Dutton, senior, 16 Hen. 7, who, died without issue; Parnell, daughter of Sir Peter, married Hugh Venables, Baron of Kinderton; after to Richard Booth, 29 Hen 1451. Elizabeth another daughter, married John Done, Son and Heir of John Done of Utkinton the elder, 12, Hen. 4, 1410. Ellen, another daughter, married Griffith Hanmere, Son, and Heir of John Hanmere, Esquire, 3 Hen. 6, 1424. And Sibill, another daughter, married Geffrey Starky, Son of Randle Starky of Stretton in Cheshire.
Sir Peter Dutton was a Knight, 7 Hen. 4, and also 5 Hen. 4. The King granted him a pardon for taking part with Henry Percy the Son, sir-named Hotspur; dated at Cirencester, 3 Novembris, 5 Hen. 4, 1403. He was made Lieutenant or Deputy in the office of the Seneschaley of the County of Chester, by Elizabeth, Countess of Salisbury, while they both should live, and to be of Council with her; for which service she gave him two marks Annual Rent, which he ought to pay her for his Lands of Little Legh, held of her Castle of Harden, during the term aforesaid; 1408, 10 Hen. 4.
Great Contention fell between this Sir Peter Dutton, and Sir William Athurton of Athurton in Lancashire; insomuch that they made In roads and Invasions one upon the other; And the said Sir Piers Dutton and his Adherents; to wit, Sir Rafe Bostock of Bostock, Richard Warbuton of Budworth, Thomas Warbuton of Halton, John Done of Utkinton Junior, John Manely of Manley, Hugh Dutton of Hatton the elder, William Leycester of Nether-Tabley, Sir Peter Legh of Clifton, (ancestor to Legh of Lyme), and John Carington of Carington, were all sued by Sir William Athurton, for taking away forty of his Oxen and forty Cows, out of his Closes at Athurton, and for beating of his Servants. But this Variance was composed between them by the Award of John, Duke of Bedford, Earl of Richmond and Kendall, Constable of England, and Regent of the Kingdom in the absence of Henry the Fifth; Dated 9 Aprilis, 7 Hen. 5. 1419. Restitution being awarded on both sides: The Horses and Saddles taken by Sir William Athurton, to be restored to Sir Piers Dutton; and the Cattel taken by Sir Piers, to be restored to the said Sir William. Sir Peter de Dutton was made Parcarius de Northwood, or Governor of Northwood Park In Over Whitley, during his Life, with all the Fees thereof, 1 Hen. 6. 1423: Out of which he had Orders from William Harrington, Chief Steward of Halton under Henry, Archbishop of Canterbury, and other Feoffees of King Henry the Fifth, to deliver one Oak for the Repair of Witton Bridge, then in decay; and another for the Repair of Farnworth Chappel; Dated 9 Hen. 6.
Sir Peter died 12 Hen. 6, 1433, aged Sixty-six years