Rietberg | Princess Margaret, Countess of Snowdon | Sophie, Countess of Wessex | Mary, Princess Royal and Countess of Harewood | Princess Maud, Countess of Southesk | Princess Alice, Countess of Athlone | Margaret Pole, Countess of Salisbury | John II, Count of Rietberg | Frances Hyde, Countess of Clarendon | Countess of Wessex | Edwina Mountbatten, Countess Mountbatten of Burma | Countess Elisabeth Dobržensky de Dobrženicz | Selina Hastings, Countess of Huntingdon | Margaret Howard, Countess of Nottingham | John III of Rietberg | Hedwig of France, Countess of Nevers | Frances Carr, Countess of Somerset | Elizabeth de Burgh, 4th Countess of Ulster | Countess Sophia Albertine of Erbach-Erbach | Countess of Huntingdon's Connexion | Countess Dracula | Beatrice I, Countess of Burgundy | Anne Herbert, Countess of Pembroke | Alice de Lusignan, Countess of Surrey | The Countess Alice | Raine Spencer, Countess Spencer | Mary II, Countess of Menteith | Margot Asquith, Countess of Oxford and Asquith | Margaret Stanley, Countess of Derby | Margaret of Mar, 31st Countess of Mar |
On 27 September 1576, Armgard and Walburgis divided their inheritance: Armgard received Rietberg; Walburgis received the Harlingerland.
•
Because she had no brothers, Armgard and her sister Walburgis inherited his possessions.
He was first married to Walburgis (d. 1177), daughter of Valdemar I of Denmark and later to Anastasia, daughter of Mieszko III of Poland and Eudoxia of Kiev.
Firstly, he married Countess Walburgis of Rietberg (1556–1586), daughter and heiress of Count John II of Rietberg, Lord of Esens, Stedesdorf and Wittmund and Countess Agnes of Bentheim-Steinfurt.
After the birth of John Edzard, her youngest child and only son, Walburgis needed tot recover and moved from Esens to Wittmund.
•
Countess Walburgis of Rietberg (1555 or 1556, Rietberg – 26 May 1586, Esens) was 1565-1576 and 1584-1586 Countess of Rietberg.
•
Walburgis was the second daughter of Count John II of Rietberg and Agnes of Bentheim-Steinfurt in Rietberg.
•
: married on 4 March 1601 her uncle Count John III of East Frisia (born: 1566 – died: 29 September 1625)