The Tribe of Cas

Murrough, the third son of Sir Donal, the first Viscount Clare, who is No. 124 on the "O'Brien" (Viscounts Clare) pedigree, was the ancestor of this branch of that family.
124	Sir Donal, created Viscount Clare by King Charles II., in 1662.
125	Murrough: his third son; was called Murrough-en-Casa; to escape persecution, he migrated to Kerry under the protection of his relative The MacCarthy Mór.
126	Murrough: his son.
127	Murrough Oge: his son; m. a dau. of O'Rourke
128	Brian Ban: son of Murrough Oge; m. Ellen Moriarty, and had: I. Teige, of whom presently. II. Murrough. III. Donogh.
129	Teige: eldest son of Brian Ban; m. Joanna, sister of Silvester Moriarty, Rear-Admiral of the Blue.
130	Bryan, of the co. Kerry: son of Teige; b. 1740; m., 20th Nov., 1797, Ellen, dau. of Justin MacCarthy (by Joanna Conway, his wife), and had: I. Richard, who d. unm. in Jan., 1761. II. Lucius, who d. unm. in America, in March, 1865. III. Turlogh-Henry, author of the "Round Towers of Ireland," who d. unm. in 1835. IV. Rev. Edward, Vicar of Thornton, Curtis, Ulceby, Lincolnshire, England. V. Rev. John, M.A., Vicar of Henfield, Sussex, England, who m. in 1843, Elizabeth, dau. of J. Hunt, Esq., and has issue. VI. Rev. James, D.D., of Magdalen Hall, Oxford, England; Incumbent, Founder, and Patron of SS. Patrick and James, Hove, Sussex, England; m. in August, 1844, Octavia, second daul of Charles Hopkinson, of Wotton Court, Gloucester, and of Cadogan Place, London.