I did some searching and found the following information. I am not related in any way.
Mildred Sanders in entry for Vandyke Guest, "Texas, Birth Certificates, 1903-1935"
Name: Vandyke Guest
Event Type: Birth
Event Date: 20 Jul 1920
Event Place: Detroit, Red River, Texas, United States
Father's Name: Anderson J Guest
Mother's Name: Mildred Sanders
Certificate Number: 38203
Digital Folder Number: 004516121
Image Number: 00194