Antoinette Biron von Curland 17 Jan 1813 - 1882 (1813–1882) Parents Gustav Kalixt von Biron Franziska Biron von Kurland Children Dorothea Lazareff-Hoym Dariya Lazarevna Lazareva Anna Lazarevna Lazareva Leonilla Lazarevna Urusova (nee Lazareva) Siblings Calixt Biron von Curland Partners Lazar Lazarev
