Eva Maria Bucher-Haefner

Eva Maria Bucher-Haefner (born 1956/1957) is a Swiss billionaire heiress, the daughter of Walter Haefner.
Early life.
She is the daughter of Walter Haefner. When he died in 2012, aged 101, he was the world's oldest billionaire, and had a net worth of US$4.3 billion.
Career.
She owns the Moyglare Stud in Ireland.
As of November 2015, "Forbes" estimated her net worth at US$2.4 billion.
Personal life.
She is married with two children and lives in Zurich.