He was born in 1283 at Siena.

He died in 1344 at Avignon.

Petrarch mentions his portrait of Madonna Laura, in the 49th and 50th sonnets of the "Rime in Vita di Madonna Laura." In another place he uses these words about Simone: "Duos ego novi pictores egregios, nec formosos, Jottum Florentinum civem, cujus inter modernos fama ingens est, et Simonem Senensem."-- _Epist.

Fam._ lib.v.17, p.653.

Petrarch proceeds to mention that he has also known sculptors, and asserts their inferiority to painters in modern times.
[153] See above, Chapter IV, Theology and S.Dominic.Messrs.