Both profiles have the same dubious source although both have the wrong page number. The citation should read page 844 with a link to (page 858 of the scan): https://archive.org/stream/familiaeminorumg03hunt#page/858/mode/2up/search/gilbert+waterhouse
From that page we find:
This is the received descent of the Waterhouses of Halifax, appearing in many authorities & admitted (I presume) at the College. But there is, I fear, a total absence of proof for anything bove John & Anges, [the 6th great grandchildren of Isabella Longvaile and her husban Gilbert Waterhouse meaning that this book admits that at least 7 generations are speculation] except that names similar to these are to be found in the Court rolls of the Manor of Wakefield...
Gilbert Waterhouse of Low Lindsey, LIncoln County = Isabel, dughter of Sir Richard Longvaile; sister and coheir of Sir John.
Not very well sourced. Today we wouldn't make profiles for these pre-1500 folks. But for now, the surname should be Longvaile for a merge.