Edward Somerset, 4th Earl of Worcester (bef. 1568 - 3 March 1628) was the only child to the 3rd Earl of Worcester and Christian North. On February 21, 1589, he succeeded his father as Earl of Worcester, and in 1593 he was made a Knight of the Garter. He was an important advisor to King James I, serving as Lord Privy Seal.

He married Elizabeth Hastings and had four children:

• Henry Somerset, 5th Earl of Worcester, his heir and successor, who was later created the 1st Marquess of Worcester;
• Thomas Somerset, 1st Viscount Somerset (Peerage of Ireland), who was born in 1579, died in 1649; he was created Viscount Somerset on December 8, 1626; in 1616 he married Helen Barry - her third marriage -, with whom he had one daughter:
  • Elizabeth Somerset, who might have died young, but that is unsure;
• Lady Catherine or Katherine Somerset, who died on November 6, 1654 and, before January 14, 1607, married Thomas Windsor, 6th Baron Windsor, with whom she had no issue; and
• Lady Blanche Somerset, who died October 28, 1649, and married Thomas Arundell, 2nd Baron Arundell, with whom she had one son and two daughters, his only children; the settlement for this marriage was on May 11th, 1607.