Looking for a descendants of Major Charles Porteous(1776-1816)

I am looking for a descendants of Major Charles Porteous(1776-1816) son of Alexander & Helen Bell,Perthshire. Major Porteous were served in 20th Bengal Native Infantry regiment and were posted to Malacca in 1800'S. He married Elizabeth Rawstorne of Penwortham Priory,Lancashire and had 7 seven children.His issue:- i)Isabella Helen Porteous(1803-)married James Hay,20th Bengal Native Infantry Regiment. ii) Sophia Mary Porteous(1804-1842) iii) Charles Porteous(1806-1885 )married 1st Elizabeth Mary Stewart(born Johnston) & 2nd Emma Lyster.His issue:- ai)Charles Alexander Porteous(1842- ) married Hester Grace Savage.His issue:- bi) Charles Adolphus Porteous (1865- ). bii))Hester Voilet Porteous (1868-1911) married Phillip Macklin Flannery.Their issue:- ci) Minnie Voilet Flannery(1887-1920) married 1stly James Brown & 2ndly Andrew Earnest Francis Greene.Their issue:- di) Elaine Greene (1900-?) dii) Kathleen Mary Macklin Greene (1904-?) married Francis Patrick Murphy. Their iss