Her maiden name was Brehm. Father was Christoph Brehm, mother Elizabeth Noll. Sophie came to America sometime between the ages of 8 and 12 years old and settled in Selma Station, Texas. Immigration record shows 1872 as date she came to America.

Name: Sopha Catherine Brehm
Birth: 26 June 1864 Germany
Death: 7 Oct 1932 Del Rio, Val Verde Co, TX
Parents: Christoph Brehm, Elizabeth Knole
Spouse: Paul Franklin Moegelin
Marriage: 1883 New Braunfels, Comal Co, TX

She died from Diabetes and Senility.
I always thought she came from Brehm or Brehmen in Germany, but the 1880 census shows her being born in Wurttemburg.

1880 United States Federal Census 18 June 1880
about Sophie Brehm
Name: Sophie Brehm
Home in 1880: New Braunfels, Comal, Texas
Age: 16
Estimated Birth Year: abt 1864
Birthplace: Wurtembg
Relation to Head of Household: Daughter
Father's Name: Christoph
Father's birthplace: Wurtembg
Mother's Name: Elisabeth
Mother's birthplace: Wurtembg
Neighbors: Phillip, Margaretha, Thomas, Heinrich, Otto, Anna,and Ida Fey; Gustav, Anna and Edwin Voight; Maria Schmuck; Heinrich and Wilhelmina Haase; Peregrin and Wilhelmine Hoffmann; Carl and Carolina, Anna, Emil, and Albert Krueger; Christoph, Carolina, Carl, August, Friederich, Carolina, Ferdinand, and Christian Kramme; Hermann, offilie (sp), and Rudolph Altgeld; Ernst, Agnes, Franz, and Maria Careth; Carl Hillert; Henritte and Brunhilde Klappenback; Louisa and Emil Voelker; Philippine Wirth; Abraham and Marianne Kunz; Albert Wingeroth; Otto and Johanna Locke.
Occupation: At Home
Marital Status: Single
Race: White
Gender: Female
Cannot read/write:
Blind:
Deaf and dumb:
Otherwise disabled:
Idiotic or insane: View Image
Household Members: Name Age
Christoph Brehm 42/M/W/married/farmer/b Wurtemberg/F Wurtemberg/M Wurtemburg.
Elisabeth Brehm 41/W/F/wife/married/keeping house/b Wurtemberg/F Wurtemberg/M Wurtemburg.
Friederike Brehm 9/W/F/daughter/single/in school/b Wurtemberg/F Wurtemberg/M Wurtemberg.
Sophie Brehm 16/W/F/daughter/single/at home/b Wurtemberg/F Wurtemberg/M Wurtemberg.
Philipp Brehm 13/W/M/son/single/at school/b Wrutemberg/F Wurtemberg/M Wurtemberg.
August Brehm 8/W/M/son/single/b Texas/F Wurtemberg/M Wurtemberg.
Helena Brehm 4/W/F/daughter/single/b Texas/F Wurtemberg/M Wurtemberg.
Albert Brehm 5M/W/M/son/born within the calendar year of Nov/single/b Texas/F Wurtemberg/M Wurtemberg.