My gr grandmother, Nancy Rebeccca Joyce, b Lowndes Co. GA in 1839 was first married to a Joseph Warren, b 1830, in Somerville, Dorchester Co., SC., and died before 1865. They were married about 1860 and had two children, Edward Warren and Walter W (William) Warren. Would anyone have information on Joseph Warren's parentage or siblings? Thanking you in advance for any information that you may be able to offer