Looking For Descendants Of Patrick Ogilvy Carnegy (1804-1861) Penang

I am looking for descendants of Patrick Ogilvy Carnegy,First Assistant to Resident Councillor of Penang,Malaysia in 1829.He was born in 1804 Penang.His parents were James Carnegy and Mary Ogilvy.He married to Susan Imlach.He was Deputy-Lieutenant of Caernarvonshire.He died in 1861,Cefn Mine,Pwllheli,Caernarvonshire.His issue - > > i)Patrick Alexander Carnegy(1831-1902)married Catherine Chitty.Their issue - > > ai)Sir Philip Mainwaring Carnegy(1858-1927) married Jessie Pyne Rawlins. > > aii)Alice Ogilvy Carnegy (1861-1942). > > aiii)Katherine Beatrice Carnegy(1863-1884). > > aiv)Helen Mary Carnegy(1865-?)married John Maximilian Vallentin. > > > av)Alexandra Henrietta Imlach Carnegy(1870-1941)married Reverend Edward Travers Clark.He married 1stly Ethel May Clapton.Their issue:- > > bi)Frederick Le Gros Clark(1892-1977). > > bii)Cyril Drummond Le Gros Clark(1894-1945)married Averil Salmond Mackenzie-Grieve. >