Bydd dau o’r aelodau presennol, Dr Kate Woodward a Mrs Margaret Jervis, sydd wedi rhoi o'u gwasanaeth i’r Cyngor ers amser hir, yn cyrraedd diwedd eu trydydd cyfnod – a’u cyfnod olaf ‒ ar 31 Mawrth 2017.
Two long-serving current members – Dr Kate Woodward and Mrs Margaret Jervis - come to the end of their third and final terms of appointment on 31 March 2017.