This is the mother of Hilton Van Sickel and Viola B Van Sickel
From Find A Grave:
Laura B Blake Van Sickel May 6 1862 Wisconsin - Sept 22 1947 Minnesota
She had at least two children Hilton and Viola Bernice
Laura B was married to Harry B Van Sickel Dec 31 1858 Iowa - Jan 20 1946 Minnesota
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The 1910 US Census says Laura had 6 children and 4 were living.
Harry B Van Sickle 51
Laura Van Sickle 47
Annabella Van Sickle 16
Viola Van Sickle 15
Nancy Van Sickle 13
Hazel Van Sickle 10