How are Elizabeth I and the two Marys related?

Answer 1

No.

Mary Queen of Scots was the daughter of Elizabeths first cousin, both being descendants of King Henry VII.

Elizabeth did have a half-sister Mary, who was Queen Mary I of England (Bloody Mary) and a different person from Mary Queen of Scots.

Answer 2

No, they were half-sisters, although they had the same father, Henry VIII, they had different mothers.

Mary was the daughter of Catherine of Aragon, Henry's first wife.

Elizabeth was the daughter of Anne Boleyn, Henry's second wife.
Yes, Queen Mary I (aka Bloody Mary) was the older sister of Elizabeth I. Same father, different mother.
Queen Mary I of England, also known as "Bloody Mary", was Queen Elizabeth's half sister; they shared a father but had different mothers. Mary's mother was Katherine of Aragon, a Spanish princess. Elizabeth's mother was Anne Boleyn, the daughter of a knight. Their father was Henry VIII.

Answer 3

Queen Elizabeth I and Mary I were half-sisters. Their father was Henry VIII, and their mothers were Catherine of Aragon (Mary's mother), who was the first wife of Henry; and Anne Boleyn (Elizabeth's mother), who was the second wife of Henry.

Answer 4

Elizabeth I is the younger 1/2 sister of Mary Tudor, (Bloody Mary, Mary I) Mary Stuart, (Mary Queen of Scots) is their cousin.

Answer 5

They were cousins. Mary was the granddaughter of Henry VIII older sister. Henry was Elizabeth's father. Her mother was Anne Boleyn