Eric I, Duke of Schleswig
Eric I Abelsøn  (died 27 May 1272) was a Danish nobleman.
He was the ruling Duke of Schleswig from 1260 until his death in 1272.
He was the second son of King Abel of Denmark, Duke of Schleswig and Mechtild of Holstein.
Eric Longlegs, Lord of Langeland
Erik Eriksøn, also known as Eric Longlegs , (1272–1310), Lord of Langeland, was the second son of Eric I, Duke of Schleswig and younger brother of Valdemar IV, Duke of Schleswig.
Charles II Henri van de Werve, Lord of Schilde
Baron Charles- Henri van de Werve( 1627 – 1696), Lord of Schilde, Lord of Giessen- Oudkerk, Lord of Wavre- Notre- Dame and Lord of Wavrans, formed part of a very old, important and noble family of Antwerp.
Henry II, Count of Reuss-Gera
Henry II of Reuss( younger line), nicknamed" the Posthumous"( 10 June 1572 in Gera – in Gera) was Lord of Gera, Lord of Lobenstein and Lord of Oberkranichfeld.
John II, Lord of Polanen
John III, Lord of Polanen( – 3 November 1378 in Breda) was Lord of Polanen, Lord of De Lek and Lord of Breda.
Enguerrand V de Coucy
Enguerrand V, Lord of Coucy( after 1321) inherited the title of Lord of Coucy and castle from his maternal uncle, Enguerrand IV in 1311.
He was also lord of Oisy and Montmirail.
John I, Lord of Polanen
John I, Lord of Polanen( – 26 September 1342) was Lord of Polanen, Lord of De Lek and Lord of Breda.
Anne Holck
Anne Holck( 7 December 1602, Tryggevælde- 5 June 1660, Stensgaard, Langeland), was a Danish noble.
She became famous for her defense of the island of Langeland against the Swedish army during the Dano- Swedish War( 1658 – 1660) in 1659.
She was the daughter of noble Ditlev Holck and married nobleman Vincents Steensen until Stensgaard from Langeland in 1623.
In 1659, her spouse died from the wounds he received when he led the defense of Langeland against Swedish invasion, and after his death, she took over and defended the island against the attack until she was forced to surrender.
After having been captured and imprisoned on her estate, she managed to trick a Swedish troupe down a vine cellar, where they were killed by local peasantry.
John I, Lord of Egmond
John I, Lord of Egmond( before 1310 – 28 December 1369) was Lord of Egmond, Lord of IJsselstein, bailiff of Kennemerland( 1353- 1354) and stadtholder of Holland.
Abel, Lord of Langeland
Abel Abelsøn( 1252 – 2 April 1279), Lord of Langeland, was the third son of King Abel of Denmark, Duke of Schleswig and younger brother of Valdemar III, Duke of Schleswig and Eric I, Duke of Schleswig.
As a member of the ducal family, he held several fiefs in Southern Denmark.

Question: Which country Eric Longlegs, Lord Of Langeland's father is from?
Answer: Danish