was he married?
Yes, to Anne Throckmorton
Origins
Anne Throckmorton
where did the gunpowder come from in the gunpowder plot They were discovered hidden under piles of faggots and coal. what was the main aim of this plot? To kill King James. this plot was led by whom? A group of provincial English Catholics led by Robert Catesby. what was to restore by killing the king? Elizabeth, was to be installed as the Catholic head of state. did they succeed in killing king? No, it was a failed assassination attempt. what was the outcome they faced when failed? Although Catesby and Percy escaped the executioner, their bodies were exhumed and decapitated, and their heads exhibited, some were tied to hurdles and dragged through the crowded streets of London, Thomas, Ambrose. Robert and Guy Fawkes were hanged when was he born the leader who led this plot? After 2 March 1572
Yes Yes, to Catherine Leigh Yes, to Catherine Leigh.
Robert Catesby Robert Catesby Robert Catesby
Introduction Adulthood Adulthood
He married a Protestant in 1593 and fathered two children, one of whom survived birth and was baptised in a Protestant church. In 1601 he took part in the Essex Rebellion but was captured and fined, after which he sold his estate at Chastleton.
 In 1593 he married Catherine Leigh, granddaughter of Sir Thomas Leigh of Stoneleigh Abbey in Warwickshire.  In 1593 he married Catherine Leigh, granddaughter of Sir Thomas Leigh of Stoneleigh Abbey in Warwickshire. 
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Robert Catesby [SEP] Origins
He was born after 2 March 1572, the third and only surviving son and heir of Sir William Catesby of Lapworth in Warwickshire, by his wife Anne Throckmorton, a daughter of Sir Robert Throckmorton (c.1513-1581), KG, of Coughton Court in Warwickshire (by his second wife, Elizabeth Hussey). He was a lineal descendant of Sir William Catesby (1450–1485), the influential councillor of King Richard III who was captured at the Battle of Bosworth and executed. His parents were prominent recusant Catholics; his father had suffered years of imprisonment for his faith, and in 1581 had been tried in Star Chamber alongside William Vaux, 3rd Baron Vaux of Harrowden, and his brother-in-law Sir Thomas Tresham, for harbouring the Jesuit Edmund Campion.