Allen was born in 1948, the son of unknown parents. The place is not known.
His wife was Karen Sue (Private) Matheny. They were married, but the date and place have not been found. Their three known children were Matthew Allen (Private) (1973-?), Benjamin Grant (Private) (1975-?) and Laura Lee (Private) (1977-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1948 |