Career
Her parents were Julius Scheike Hansson and Jakobina Lund who ran a theater society. She worked and was employed at Södra Teatern between 1888 and 1892, at Vasateatern between 1892 and 1894, at Fröberg Teatern between 1894 and 1895 and at Ranft Teatern. Rönnblad was the aunt of actor Jules Sylvain.
Rönnblad is buried at Norrmalms begravningsplatsen in Stockholm.