UPDATE:
FROM 2ND MARRIAGE
Boy descendants found he was named William 'Boy' Bert Holt and his mother NEVADA ''VADA' and another of their daughters Pansy Marie Holt.

FROM 1ST MARRIAGE
DID FIND 1860 census in Arkansas proving them there. minus the boys, but they could have left them with family. Their daughter did exist is in 1870 census born in Arkansas.

Still missing 2 daughters one from each marriage.