Thomas Blagrave came from Shropshire, he was Master of the Revels

Master of the Revels

The Master of the Revels was a position within the English, and later the British, royal household heading the "Revels Office" or "Office of the Revels" that originally had responsibilities for overseeing royal festivities, known as revels, and later also became responsible for stage censorship,...

 from 1573-79 under Queen Elizabeth I
At least three siblings, William, John and Mary.

Burkes Peerage states, 'John Blagrave, of Uttoxeter, co. Stafford, was father, with a son Richard, (whose son, another Richard, was father of Thomas Blagrave, master of the Queen's Revels, who rf. 18 June 1590, leaving by his wife, Joane, dau. of William Bellame, a dau. Mary, m. to William Lodge, son and heir of Sir Thomas Lodge, of London, and a son and heir, John, who m. Joane Bodenham, of Gloucester,).
Thomas Blagrave started his career at court as assistant to Sir Thomas Cawarden, Master of the Revels, and in his will of 1559 he left Blagrave two geldings and a colt.
Acting as Master of the Revels from 1573-9 he was assisted by John Drawater, a servant of the Earl of Oxford, with whom he had a court battle in the early 1590s.