53 year old Swiss billionaire Margarita Louis-Dreyfus is pregnant with twin girls

Swiss billionaire Margarita Louis-Dreyfus has announced she is pregnant with her second set of twins.
According to a statement via her company,the 53-year-old chairwoman of French conglomerate Louis Dreyfus Commodities and widow of French businessman Robert Louis-Dreyfus is expecting twin girls in early April. She confirmed that she plans on continuing her duties as non-executive chairwoman until the birth, before taking a brief maternity leave and returning to work full time in late April. 
Margarita and Robert, who married in 1992 had three sons, before he died of leukemia in 2009.
The expectant mother is currently dating Swiss banker Philipp Hildebrand, 52, the vice chairman of US investment manager BlackRock, however she has not confirmed or not he is the father of her unborn children.