About John Patrick West
John Patrick West (d. 1935) was a "bare knuckles prizefighter" under the name Battlin' Jack West. He was a native New Yorker from the lower east side. He later worked as a "special policeman" and then as a private investigator who ran his own agency. A heavy smoker and drinker, he turned to violence when thwarted.  
Parents: John Edwin West and ?
- Matilda Delker-Doelger ("Tillie", d. 1930)
Childen of Jack West and Tillie Delker:
- Katie (d. respiratory disease)
- Mildred Katharina West ("Beverly", b. 1898, d. 1982)
- Mary Jane AKA Mae West (1898-1980)
- John Edwin West (b. 1900, d. 1964)
-  Watts, Jill (2003). Mae West: An Icon in Black and White. Oxford University Press US. p. 12. ISBN 0-195-16112-2.
-  http://www.nndb.com/people/828/000031735/