Charles Calvert, 3rd Baron Baltimore
ā¦1710. His fourth and final marriage was to Margaret Charleton, daughter of Thomas Charleton, in 1712. Calvert may also have had an illegitimate son, Charles Calvert Lazenby, born in England in 1688, who would grow up to have a career in the army and later become Governor of Maryland in his own right. Captain Calvert'sā¦