He was the son of Thomas Clemson , a Quaker merchant , and Elizabeth Baker , daughter of a prominent Episcopal family .
Thomas Green Clemson was born in Philadelphia on July 1 , 1807 .
Thomas Green Clemson was the Thomas Green Clemson of Thomas Green Clemson   , a Quaker merchant , and Elizabeth Baker , daughter of a prominent Episcopal family .
Thomas Green Clemson was born in Philadelphia on July 1 , 1807 .