Short answers, pulled from the story.
James Butler, 9th Earl of Ormond and 2nd Earl of Ossory, was an Irish nobleman born around 1496 who was confirmed as Earl of Ormond in 1541. He was known as the Lame, or Bacach in Irish, after a wound from his youth.
James Butler was called the Lame, or Bocach, because he was wounded in the leg at the siege of Thérouanne in 1513 while accompanying King Henry VIII to France.
James Butler died from poison in London. He and his household, including his steward James Whyte and sixteen others, fell ill after dining at Ely Palace in Holborn on the 17th of October 1546, and Butler died eleven days later, on the 28th of October.
No one was ever formally charged, and the source of the poisoning remains a mystery. His host, John Dudley, 1st Duke of Northumberland, had no apparent motive, while a historian has since suggested Sir Anthony St Leger, the Lord Deputy of Ireland who had clashed with Butler, may have had a hand in it.
The dispute was between James Butler's father, Piers Butler, 8th Earl of Ormond, and Thomas Boleyn, 1st Earl of Wiltshire, over who held the Ormond title. King Henry VIII forced Piers Butler to resign the earldom to Thomas Boleyn on the 18th of February 1528, and it was restored to the Butlers a decade later, with James confirmed as Earl of Ormond by Act of Parliament on the 6th of November 1541.
James Butler married Joan Fitzgerald, daughter and heiress of the 10th Earl of Desmond, in 1530. Together they had seven sons, including Thomas Butler, known as Black Tom, who succeeded as the 10th Earl of Ormond.