The signature looks more like 58 than 50 to me, but...
Destitute Dead Mother holding her sleeping Child in Winter, c. 1850
Octave Tassaert (French, 1800-1874)
oil on canvas, Framed - h:33.00 w:25.00 cm (h:12 15/16 w:9 13/16 inches).
Gift in memory of Helen Borowitz 2013.257
Cleveland Museum of Art