Complex sentence: Pugh was elected Liberal Member of Parliament for Carmarthenshire in 1857 and held the seat until 1868 when he lost his seat to Edward Sartoris, a radical Liberal.
Split into simpler sentences: Pugh was elected Member of Parliament for Carmarthenshire in 1857. Pugh represented the county until 1868 when he lost his seat to Edward Sartoris, a radical Liberal.