 Hervey, certainly held the lands at Keith when he erected a Church there at the end of the 12th century obeying a royal decree to that effect.Latterly Hervey's progeny took their name from their estate as was common at the time

Today's parish of Humbie was originally split into the divisions of ""Keith Harvey"" and ""Keith Hundeby"" (occasionally ""Keith Symmars"") and formed the major part of the estate of the Keiths, until they were granted the rock of Dunnottar in Aberdeenshire at the close of the 14th century.Hervey's descendants were made hereditary Marischal of Scotland in 1176.