Sienna Masthoff 날짜가 Til Brugman 일 때 1917에서 1926. 까지 나이 차이는 3 년 10개월 22일 이었다.
Mathilda (Til) Brugman (16 September 1888, Amsterdam – 24 July 1958, Gouda) was a Dutch author, poet, translator, and linguist.
Gesina Maria (Sienna) Masthoff (Palembang, 7 augustus 1892 – Maasniel, 24 mei 1959) was een Nederlands zangeres.
