How did each one of Queen Elizabeths mothers die?

Answer 1

If you're talking about the UK, there have been two Queen Elizabeths (The first one was only queen of England and Wales, not Scotland or Ireland). They both had only one mother each.

Queen Elizabeth I was the daughter of King Henry VIII and Anne Boleyn. Anne Boleyn was Henry's second wife. She was executed in 1536 when Elizabeth was two years old.

Queen Elizabeth II was the daughter of King George VI and Elizabeth Bowes-Lyon, Known as Queen Elizabeth the Queen Mother. She died in her sleep on 2002 aged 101 years.