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He died at Islington in 1711 (Probate Act Book, P. C. C., August 1711). His will, as ' citizen and stationer of London,' dated 17 April 1711, was proved on the following 8 Aug. by Catherine Robert Clavell , his widow (Reg. in P. C. C. 161, Young). Mrs. Clavell survived her husband until the close of 1717, dying in the parish of St. Margaret, Westminster (Will reg. in P. C. C. 227, Whitfield; Probate Act Book, P. C. C. December 1717).
 place of death: Robert Clavell, Islington
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Robert Clavell, Islington 
Answer:
 place of death: Robert Clavell, Islington