Table:
text: List of Danish consorts
House of Oldenburg
House of Oldenburg
Birth Marriage Became_Consort Ceased_to_be_Consort Death Spouse
9 July 1511 29 October 1525 4 July 1534 husband`s ascession 1 January 1559 husband`s death 7 October 1571 Christian III
4 September 1557 20 July 1572 20 July 1572 4 April 1588 husband`s death 14 October 1631 Frederick II
26 June 1575 27 November 1597 27 November 1597 8 April 1612 8 April 1612 Christian IV
24 March 1628 1 October 1643 28 February 1648 husband`s ascession 9 February 1670 husband`s death 20 February 1685 Frederick III
27 April 1650 25 June 1667 9 February 1670 husband`s ascession 25 August 1699 husband`s death 27 March 1714 Christian V
28 August 1667 5 December 1695 25 August 1699 husband`s ascession 15 March 1721 15 March 1721 Frederick IV

Question: Name of wife who ceased to be wife after husband's death on April 4, 1588 in list of Danish wives House of Oldenburg ?