If you would like to expand on your yLineage, this is the place to do it. Let others know if your GGG Grandfather had brothers and sisters, but don't forget to post that on the DNA Test Participants Needed forum. The more places you let everyone know your lineage, the better chances someone will find it in an internet search.
A free Mullatoe Chlid Bron’d on Wednesday the Second October 1758 in the plantation of Thos. Phillips Planter Deceased. And was Baptized By the Revd. Samuel Fenner Warren. Rector of St. James Santee by the Name of Wm. Phillips on Sond. 28th February 1762. The Surities wer Messrs. James Allen and William Drakeford and Elizabeth Phillips.
Source: The South Carolina Historical and Genealogical Magazine, Published Quarterly by the South Carolina Historical Society, Charleston, S. C., Volume XXI, January, 1920; Pg. 32