Q:Information: - Eric II the Memorable ( Danish : Erik II Emune ) ( c. 1090 -- 18 July 1137 ) was king of Denmark between 1134 and 1137 . Eric was an illegitimate son of Eric I of Denmark , who ruled Denmark from 1095 to 1103 . Eric the Memorable rebelled against his uncle Niels of Denmark , and was declared king in 1134 . He punished his adversaries severely , and rewarded his supporters handsomely . He was killed by a subject in 1137 , and was promptly succeeded by his nephew Eric III of Denmark . - Eric III Lamb ( 27 August 1146) was the King of Denmark from 1137 until 1146. He was the grandson of Eric I of Denmark and the nephew of Eric II of Denmark, whom he succeeded on the throne. He abdicated in 1146, as the first and only Danish monarch to do so. His succession led to a period of civil war between Sweyn III, Canute V, and Valdemar I. - Eric I ( 10 July 1103), also known as Eric the Good,, was King of Denmark following his brother Olaf I Hunger in 1095. He was a son of Sweyn II. His mother's identity is unknown. He married Boedil Thurgotsdatter. - Eric II the Memorable ( 18 September 1137) was king of Denmark between 1134 and 1137. Eric was an illegitimate son of Eric I of Denmark, who ruled Denmark from 1095 to 1103. Eric the Memorable rebelled against his uncle Niels of Denmark, and was declared king in 1134. He punished his adversaries severely, and rewarded his supporters handsomely. He was killed by a subject in 1137 and was promptly succeeded by his nephew Eric III of Denmark. - Boedil (Bodil) Turgotsdotter (died 1103) was a medieval Danish queen, queen consort of King Eric I of Denmark. What is the relationship between 'eric ii of denmark' and '18 september 1137'?
A:
date of death