Complex sentence: Guiraut de Bornelh (c.1138--1215) was a troubadour composer and poet, born to a lower class family in the Limousin.
Split into simpler sentences: Guiraut de Bornelh (c.1138--1215) was a troubadour composer and poet. Guirat de Bornelh was born to a lower class family in the Limousin.