In this undated handout photo provided by the Duke and Duchess of Cambridge, Britain's Queen Elizabeth and Prince Philip with their great grandchildren, from left, Prince George, Prince Louis, Savannah Phillips (standing at rear), Princess Charlotte, Isla Phillips holding Lena Tindall, and Mia Tindall. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday, April 9, 2021. (Duchess of Cambridge via AP)