Barons Castle Durrow (1733) William Flower, 1st Baron Castle Durrow (1685-1746) Henry Flower, 2nd Baron Castle Durrow (d. 1752) (became Viscount Ashbrook in 1751) Viscounts Ashbrook (1751) Henry Flower, 1st Viscount Ashbrook (d.1752) William Flower, 2nd Viscount Ashbrook (1744-1780) William Flower, 3rd Viscount Ashbrook (1767-1802) Henry Jeffrey Flower, 4th Viscount Ashbrook (1776-1847) Henry Jeffrey Flower, 5th Viscount Ashbrook (18061871) Henry Jeffrey Flower, 6th Viscount Ashbrook (1829-1882) William Spencer Flower, 7th Viscount Ashbrook (1830-1906) Robert Thomas Flower, 8th Viscount Flower (1836-1919) Llowarch Robert Flower, 9th Viscount Ashbrook (1870-1936) Desmond Llowarch Edward Flower, 10th Viscount Ashbrook (1905-1995) Michael Llowarch Warburton Flower, 11th Viscount Ashbrook (b. 1935)
