Countess Armgard of Rietberg (also: Irmgard; died 13 July 1584) was from 1562 to 1584 Countess of Rietberg in her own right.
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On 27 September 1576, Armgard and Walburgis divided their inheritance: Armgard received Rietberg; Walburgis received the Harlingerland.
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Because she had no brothers, Armgard and her sister Walburgis inherited his possessions.
His father was Count Conrad IV of Rietberg.
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John I, succeeded Conrad V in 1472 as Count of Rietberg and ruled until his death in 1516
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Count Conrad V of Rietberg (died 31 October 1472) was Count of Rietberg from 1428 until his death.
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.
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# Sabina Catherine (11 August 1582 – 31 May 1618), married on 4 March 1601 to her uncle Count John III of East Frisia (1566 – 29 September 1625)
Ernest Christopher, Count of Rietberg (1 April 1606 – 31 December 1640) was a member of the house of Cirksena and was Count of Rietberg from 1625 to 1640.
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Ernst Christoph was the fourth of the eleven children of John III and his wife, Sabina Catherine.
Friedrich Christoph Pelizaeus (April 3, 1851 - August 11, 1942) was a German balneologist and neurologist who was a native of Rietberg.
Ernest Christopher, (born: 1 April 1606 – died: 31 December 1640), Count of Rietberg 1625-1640, Vice Marshal, married Margravine Albertine Maria of St. Martin
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He founded the Catholic side line of the Cirksena in the Westphalian County of Rietberg, the so-called house of East Frisia.
One of her granddaughters, Countess Maria Eleonora of Kaunitz-Rietberg, was the first wife of Klemens Wenzel, Prince von Metternich.
Otto III was probably born between 1475 and 1485 as the eldest son of John I and his wife Margaret of Lippe.
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Count Otto III Rietberg (between 1475 and 1485 – 18 December 1535) was Count of Rietberg from 1516 to 1535.
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Otto IV (died 1553), married on 1 February 1541 Countess Palatine Catherine of the Rhine, died childless
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John II (d. 1562), Count of Rietberg from 1553 to 1562.
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In 1533, Otto III appointed two preachers from Lippe, to teach the new faith in the parishes of Rietberg and Neuenkirchen.
Varensell Abbey (Abtei Varensell) is a house of Benedictine nuns, located near Rietberg in the district of Gütersloh in North Rhine-Westphalia, Germany.
Walburgis was the second daughter of Count John II of Rietberg and Agnes of Bentheim-Steinfurt in Rietberg.
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Countess Walburgis of Rietberg (1555 or 1556, Rietberg – 26 May 1586, Esens) was 1565-1576 and 1584-1586 Countess of Rietberg.
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: married on 4 March 1601 her uncle Count John III of East Frisia (born: 1566 – died: 29 September 1625)
Rietberg | John II, Count of Rietberg | John III of Rietberg | Rietberg Museum | Count of Rietberg |
Bäumer, Bettina (Hrsg), Rupa Pratirupa: Alice Boner Commemoration Volume, Zürich: Museum Rietberg, 1982.
Count Otto IV of Rietberg (d. 5 or 6 January 1553 outside Metz) was Count of Rietberg from 1535 until his death.