This may be old news since it is 7 years later.
This is from cemetery records of Bristol Cemetery.
These 4 are all buried in plot 664. The dates posted are interrment dates. If interested, please reply and I can try to get photos for you.
Did you ever resolve your search for the twins?
Randy Booz
Levittown, PA
7-0-1969 Booz Eleanor F 664 4th
4-1-1982 Booz Thomas F 664 4th
11-25-1970 Booz Wilson E F 664 2nd
4-30-1999 Stein Madeline F 664 2nd