 Complete the following phrase:  Buftea became a favorite hangout of the Romanian elite from 1909, but Barbu lost Dărmănești to George and his wife, Elisabeta Lysbeth Băleanu; they rebuilt it using the architectural talents of Nicolae Ghica-Budești. A curator of the Royal Estates upon Ioan Kalinderus death, the White Prince was famous as the lover of Queen Marie of Romania, and alleged father of Princess Ileana. He also had a friendly relationship with Maries husband, now King Ferdid, whom he reportedly convinced to side with the Entente Powers and join forces with them 