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The surname Robert Erskine was originally derived from the lands of Erskine, which is an area to the south of the River Clyde in Renfrew. The name is believed to be ancient or Old British for green rising ground. As early as the reign of Alexander II of Scotland , Henry de Erskine was proprietor of the barony. In about 1226 Henry was a witness to a charter by the Earl of Lennox of the patronage and tithes of Rosneath to Paisley Abbey.
 place of birth: Robert Erskine, Scotland
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of birth: Robert Erskine, Scotland