Sneshna Jovanka
From Tardis Wiki, the free Doctor Who reference
Sneshna Jovanka was the mother of William Jovanka and grandmother of Tegan. She and her husband, Mjovic, were both Serbian and emigrated from Yugoslavia to Australia, (PROSE: Cold Fusion) although they had moved back by 1981. They returned to Australia for their son's funeral that year. (PROSE: Divided Loyalties)