Question 2: Dowager Queen ________ (1660–1672), during the minority of her son King Charles XI, and again (1697–1699), during the minority of her grandson King Charles XII.
Question 5: Isabella of Bavaria (1417–1420) and then ________, during the insanity of her husband and his father-in-law, Charles VI; they were opposed by
Question 8: Bengt Jönsson Oxenstierna (1448; together with his brother Nils Jönsson Oxenstierna), during the interregnum between the death of ________ and the election of Karl Knutsson (Bonde) as king.
Question 10: ________, during the absence of Prince Alexander Battenberg from the Bulgarian throne between 28 August 1886 and 3 September 1886 and the vacancy of the throne between 7 September 1886 and 14 August 1887.