Aaron ben Phinehas was a member of the rabbinical college of Lemberg, and appears in that capacity among the rabbis who had to decide a case in matrimonial law with regard to the marriage of the widow of a man who had been killed by the bands of Chmielnicki. Aaron died at Lemberg, June 20, 1651.

References

 This article incorporates text from a publication now in the public domain: Singer, Isidore; et al., eds. (1901). "Aaron ben Phinehas". The Jewish Encyclopedia. Vol. 1. New York: Funk & Wagnalls. p. 20.