Sir Patrick married Margaret, daughter and heiress of John Napier of Kilmahew. His son, George, on his accession to the estates, adopted in right of his mother, the name and designation of Napier of Kilmahew.
George Maxwell-Napier, finding his new possessions sufficiently large, disponed the ancestral lands of Newark, some time in the early years of the eighteenth century, to William Cochrane of Kilmaronock…