Mary Byrd/Bird (Taylor) - Ending?

Mary Byrd/Bird (Taylor)'s Profile, which contains the bio you mention, lists the seven children she had with John Carter Byrd/Bird. They were all born in what is today Greene County, TN. There is a bio error. The death date of her husband should read: bef 25 Oct 1830. He died in Greene County. Direct descendants of five of their seven children have been located. To date, no direct descendants for Mary's 1st and 4th children, Philip and Joseph have been located.