William Howard, 1st Baron Howard of Effingham
William Howard, 1st Baron Howard of Effingham( c. 1510 – 12 January 1573) was the son of Thomas Howard, 2nd Duke of Norfolk and Agnes Tilney.
He served four monarchs, Henry VIII, Edward VI, Mary I and Elizabeth I, in various official capacities, most notably on diplomatic missions and as Lord Admiral and Lord Chamberlain of the Household.
Lord Edmund Howard
Lord Edmund Howard( – 19 March 1539) was the third son of Thomas Howard, 2nd Duke of Norfolk, and his first wife, Elizabeth Tilney.
His sister, Elizabeth, was the mother of Henry VIII's second wife, Anne Boleyn, and he was the father of the king's fifth wife, Catherine Howard.
His first cousin, Margery Wentworth, was the mother of Henry's third wife, Jane Seymour.
Rhys ap Gruffydd (rebel)
Rhys ap Gruffydd( 1508 – 1531) was a powerful Welsh landowner who was accused of rebelling against King Henry VIII by plotting with James V of Scotland to become Prince of Wales.
He was executed as a rebel.
He married Lady Catherine Howard( b. abt 1499 Ashwellthorpe, Norfolk, England), the daughter of Thomas Howard, 2nd Duke of Norfolk and his second wife Agnes Tilney.
Elizabeth Stafford, Duchess of Norfolk
Lady Elizabeth Stafford(" later" Duchess of Norfolk)( c. 1497 – 30 November 1558) was the eldest daughter of Edward Stafford, 3rd Duke of Buckingham and Lady Eleanor Percy.
By marriage she became Duchess of Norfolk.
Her abusive marriage to Thomas Howard, 3rd Duke of Norfolk, created a public scandal.
Lord Thomas Howard
Lord Thomas Howard( 1511 – 31 October 1537), courtier, was a younger son of Thomas Howard, 2nd Duke of Norfolk by his second marriage to Agnes Tilney.
He is chiefly known for his marriage( later invalidated by King Henry VIII) to Lady Margaret Douglas( 1515 – 1578), the daughter of Henry VIII's sister, Margaret Tudor, for which he was imprisoned in the Tower, where he died on 31 October 1537.
The affair is immortalized in verses by his nephew, the poet Henry Howard, Earl of Surrey.
Thomas Howard, 1st Earl of Suffolk
Admiral Thomas Howard, 1st Earl of Suffolk,( 24 August 156128 May 1626) was a son of Thomas Howard, 4th Duke of Norfolk by his second wife Margaret Audley, Duchess of Norfolk, the daughter and heiress of the 1st Baron Audley of Walden.
Thomas Howard, 2nd Duke of Norfolk
Thomas Howard, 2nd Duke of Norfolk (144321 May 1524), styled Earl of Surrey from 1483 to 1485 and again from 1489 to 1514, was an English nobleman and politician.
He was the eldest son of John Howard, 1st Duke of Norfolk, by his first wife, Catharina de Moleyns.
The Duke was the grandfather of both Queen Anne Boleyn and Queen Catherine Howard and the great grandfather of Queen Elizabeth I.
He served four monarchs as a soldier and statesman.
John Howard, 1st Duke of Norfolk
John Howard, 1st Duke of Norfolk (c. 142522 August 1485), was an English nobleman, soldier, politician, and the first Howard Duke of Norfolk.
He was a close friend and loyal supporter of King Richard III, with whom he was slain at the Battle of Bosworth in 1485.
Elizabeth Holland
Elizabeth Holland( died 1547/ 8), commonly known as Bess Holland, was the mistress of Thomas Howard, 3rd Duke of Norfolk and maid- of- honour to his niece, Anne Boleyn, the second wife of Henry VIII of England.
The daughter of the Duke's secretary, she worked for eight years as a laundress in the household of Norfolk's wife, Elizabeth Stafford, Duchess of Norfolk.
Edmund Knyvet
Sir Edmund Knyvet( c. 1508 – 1 May 1551) was the eldest son of Sir Thomas Knyvet( c. 1485 – 1512), a distinguished courtier and sea captain, and Muriel Howard( died 1512), the daughter of Thomas Howard, 2nd Duke of Norfolk.

Question: Where did Thomas Howard, 2Nd Duke Of Norfolk's father die?
Answer: Battle of Bosworth