Ananda Mahidol
When King Prajadhipok (or Rama VII) abdicated in 1935, the son of Queen Savang Vadhana's youngest son, Prince Ananda Mahidol, acceded to the throne as King Ananda Mahidol (Rama VIII). She received the title of Queen Grandmother, having been renamed Sri Savarindira by King Prajadhipok while she was Queen Aunt.