Question: Who is Humphrey, 2Nd Earl Of Buckingham's aunt?

Knowledge 1: Humphrey, 2nd Earl of Buckingham
Humphrey, 2nd Earl of Buckingham (1381–1399) was an English peer and member of the House of Lords.He was Lord High Constable of England.His father, Thomas of Woodstock, was the youngest son of King Edward III and uncle of Richard II.After the murder of his father, he became the ward of the crown, along with Henry of Monmouth (the future King Henry V), eldest son and heir of Henry Bolingbroke (the future King Henry IV).Richard II took both boys with him to Ireland in 1398, where they were left in custody at Kells, when Richard returned to face Bolingbroke.Once Richard II had been deposed, Henry Bolingbroke ordered their release and summoned them homebut Humphrey, who was sickly, died on the way on 2 September 1399.His mother Eleanor de Bohun died shortly after, allegedly because of her sorrow after the loss of her son. [SEP] Knowledge 2: Eleanor de Bohun
Lady Eleanor de Bohun (– 3 October 1399) was the elder daughter and co-heiress with her sister, Mary de Bohun, of their father Humphrey de Bohun, 7th Earl of Hereford (1341–1373).Her mother was Lady Joan Fitzalan, daughter of Richard FitzAlan, 10th Earl of Arundel and his second wife Eleanor of Lancaster.
Knowledge 1: Humphrey, 2nd Earl of Buckingham
Humphrey, 2nd Earl of Buckingham (1381–1399) was an English peer and member of the House of Lords.He was Lord High Constable of England.His father, Thomas of Woodstock, was the youngest son of King Edward III and uncle of Richard II.After the murder of his father, he became the ward of the crown, along with Henry of Monmouth (the future King Henry V), eldest son and heir of Henry Bolingbroke (the future King Henry IV).Richard II took both boys with him to Ireland in 1398, where they were left in custody at Kells, when Richard returned to face Bolingbroke.Once Richard II had been deposed, Henry Bolingbroke ordered their release and summoned them homebut Humphrey, who was sickly, died on the way on 2 September 1399.His mother Eleanor de Bohun died shortly after, allegedly because of her sorrow after the loss of her son. [SEP] Knowledge 2: Eleanor Percy, Duchess of Buckingham
Eleanor Percy, Duchess of Buckingham( – 13 February 1530), also known as Alianore, was the eldest daughter of Henry Percy, 4th Earl of Northumberland, by his wife, Lady Maud Herbert, daughter of William Herbert, 1st Earl of Pembroke.Eleanor Percy married Edward Stafford, 3rd Duke of Buckingham, who was beheaded in 1521 on false charges of plotting to overthrow the king, Henry VIII.As a result, the Dukedom of Buckingham and estates were forfeited, and her children lost their inheritance.
Knowledge 1: Humphrey, 2nd Earl of Buckingham
Humphrey, 2nd Earl of Buckingham (1381–1399) was an English peer and member of the House of Lords.He was Lord High Constable of England.His father, Thomas of Woodstock, was the youngest son of King Edward III and uncle of Richard II.After the murder of his father, he became the ward of the crown, along with Henry of Monmouth (the future King Henry V), eldest son and heir of Henry Bolingbroke (the future King Henry IV).Richard II took both boys with him to Ireland in 1398, where they were left in custody at Kells, when Richard returned to face Bolingbroke.Once Richard II had been deposed, Henry Bolingbroke ordered their release and summoned them homebut Humphrey, who was sickly, died on the way on 2 September 1399.His mother Eleanor de Bohun died shortly after, allegedly because of her sorrow after the loss of her son. [SEP] Knowledge 2: Alice Clere
Alice Clere( died 1538) was the daughter of Sir William Boleyn and his wife Margaret Ormond( otherwise Butler), the daughter and co-heiress of Thomas Butler, 7th Earl of Ormond.Alice was thus the sister of Thomas Boleyn, 1st Earl of Wiltshire, and the aunt of King Henry VIII's second Queen, Anne Boleyn.

Answer: Mary de Bohun