In the mid-15th century, Abergavenny played an important role in the
drama of the Wars of the Roses, with William Herbert, Earl of Pembroke
and Lord of Raglan, supporting the Yorkist cause.
Edward’s first documented appearance in the conflict
of the Wars of the Roses was in 1460 when he joined his brothers, Salisbury
and Fauconberg, and his nephews, Edward of March and Richard of Warwick,
at Sandwich on their return from exile. Edward was present at the battle
of Northampton.
In 1461 he was again present fighting with his young
nephew Edward of March at the battle of Mortimer’s Cross. After Edward
of March was proclaimed king, Abergavenny supported him at the battle
of Towton. The battles of Barnet and Tewkesbury saw Edward once again
by the King’s side, even though at Barnet it meant that he took sides
against his other nephews, Warwick and Montagu.
Abergavenny's livery was white and green.
During
his lifetime Abergavenny held office under both Lancaster and York.
He was appointed several times commissioner of array for Kent, being
chief commissioner in 1471. He was also a privy councillor in York’s
protectorate in 1454. He died in 1476.