Karl Harst
Karl Harst( fl. 1540) was a sixteenth- century diplomat from the German Duchy of Cleves.
He was the Duke of Cleves' representative in London during the marriage of Henry VIII of England and his fourth wife, Anne of Cleves.
Johann, Count of Cleves
Johann was last Count of Cleves, from 1347 through 1368.
Upon his death in 1368, the counties of Cleves and Count of Mark were united.
Johann was the youngest son of Dietrich VII, Count of Cleves and his second wife Margaret of Habsburg.
He succeeded in 1347 his brother Dietrich VIII, Count of Cleves who had died without sons.
He married Mechteld of Guelders( † 1384), daughter of Reginald II, Duke of Guelders, but the marriage remained childless.
After his death, the County of Cleves went to Adolf III of the Marck and so to the Counts of Marck.
Adolph I, Duke of Cleves
Adolph I of Cleves( 2 August 1373 – 23 September 1448) was the second Count of Cleves and the fourth Count of Mark.
Elisabeth of Cleves, Countess of Schwarzburg-Blankenburg
Elisabeth of Cleves was the daughter of Adolph I, Duke of Cleves and Marie of Burgundy, Duchess of Cleves.
She married Count Henry XXVI of Schwarzburg- Blankenburg, on July 15, 1434.
Elisabeth of Cleves
Myntha Elisabeth of Cleves was the daughter of the Duke of Cleves - Adolf III of the Marck and Margaret of Jülich.
She married Reginald of Falkenburg in 1393, who died in 1396.
In 1401, she started a new marriage with the Duke of Bavaria but had no children.
Adolf III of the Marck
Adolph III of the Marck (German: "Adolf III von der Mark")
(– 7 September 1394) was the Bishop of Münster (as Adolph) from 1357 until 1363, the Archbishop of Cologne (as Adolph II) in 1363, the Count of Cleves (as Adolph I) from 1368 until 1394, and the Count of Mark (as Adolph III) from 1391 until 1393.
Adolph was the second son of Count Adolph II of the Marck and Margaret of Cleves.
On 16 November 1357
Pope Innocent VI appointed him the Bishop of Münster.
In 1362 he signed a contract with his uncle Bishop Engelbert III of the Marck of Liège whereby he would inherit Cleves in the likely event Count John of Cleves died childless.
On 13 June 1363 he was appointed the Archbishop of Cologne against the favourite John of Virneburg, but by the end of the year had resigned from the position to focus on the County of Cleves, despite the fact that his short tenure was scandalous and ridden with controversy.
In 1368 he succeeded his uncle John of Cleves and could maintain his rule there through the support of Liège.
In 1369 he married Margaret of Jülich, daughter of Gerhard VI of Jülich, Count of Berg and Ravensberg and had fourteen children, at least five of whom did not survive infancy.
After his brother Engelbert III of the Marck died without heirs in 1391, Adolph inherited the Marck too.
However, he gave Marck to his son Dietrich in 1393.
Adolph died in 1394 and was succeeded in Cleves by another of his sons, Adolph.
Cleves and Marck were reunited again 4 years later, when Dietrich died and was succeeded by Adolph IV.
John I, Duke of Cleves
John I, Duke of Cleves, Count of Mark( 16 February 1419 – 5 September 1481) was Duke of Cleves and Count of Mark.
Margaret of Cleves, Duchess of Bavaria-Munich
Margaret of Cleves( 1416–1444) was a German noblewoman.
She was the eldest daughter of Adolph I, Duke of Cleves and his second wife Marie of Burgundy.
She married
Mary of Burgundy, Duchess of Cleves
Mary of Burgundy, Duchess of Cleves( 1393 – 30 October 1466) was the second child of John the Fearless and Margaret of Bavaria, and an elder sister of Philip the Good.
Born in Dijon, she became the second wife of Adolph, Count of Mark in May 1406.
He was made the 1st Duke of Cleves in 1417.
They were the grandparents of King Louis XII of France and the great- grandparents of John III, Duke of Cleves, father of Anne of Cleves, who was fourth Queen consort of Henry VIII of England.
By their daughter, Catherine, they were ancestors of Mary, Queen of Scots.
The Duke and Duchess of Cleves lived at Wijnendale Castle in West Flanders.
She died in Cleves in present- day Monterberg, Kalkar.
Adolph II of the Marck
Adolph II of the Marck( died 19/20 October 1347, Fröndenberg) was Count of the Marck.
He was the eldest son of Engelbert II of the Mark and Mechtild of Arenberg.
Adolph was betrothed to Irmgard of Cleves, daughter of Otto, Count of Cleves and his( second) wife Mechtild of Virneburg.
After obtaining a papal dispensation Adolf was allowed to marry Margaret of Cleves, the daughter of Dietrich VIII, Count of Cleves and Margaret of Guelders.
Adolph and Margaret of Cleves had seven children:

Question: Who is the paternal grandfather of Elisabeth Of Cleves?