Herbert Jarrett Kerr, Custos of Trelawny Parish Jamaica, and Henrietta Theresa Vidal. He served as Custos Rotulorum of Dorset and Vice-Admiral of Dorset. Devereux served as Custos Rotulorum of Cardiganshire from 1543 to his death. Responsibility for recommending county magistrates lay with the custos rotulorum. However, in 1781, he was appointed to the coveted position of Custos Rotulorum of Meath. Percy was Custos Rotulorum of Wiltshire from 1726 to 1750. His eldest son, the third Baron, served as Custos Rotulorum of Worcestershire. He served as Custos Rotulorum of Somerset. The hospital was run by a "Custos" (Warden) or Prior with a number of canons. It is now controlled through the Mats Qviberg owned investment company Custos. He was appointed as the "Custos," a high civic post, of Saint Andrew. The dignity of Custos was instituted in 1526. The office of "Custos rotulorum" has been combined with that of Lord Lieutenant since 1702. As Custos Rotulorum of Dorset he was succeeded by Sir Walter Raleigh. His grandfather had also been a Custos in Jamaica.