St. John Richardson Liddell (September 6, 1815 February 14, 1870) was a prominent Louisiana planter who served as a general in the Confederate States Army during the American Civil War. He was an outspoken proponent of Southern emancipation of slaves. Liddell was murdered by a former Confederate Officer near his home in 1870.

Based on that paragraph can we conclude that this sentence is true?
St. John Richardson Liddell was southern
Yes