Reunion
Reunion is a genealogy or "family tree" app for the Macintosh developed by Leister Productions, Inc. released Reunion 4 for Macintosh and Windows around 1995. Current version is 12. Reunion 4 for Windows was acquired by Sierra in July 1997 and re-released as Generations for Windows in March 1998.
File Identification
Reunion version 4 saves files in a few separate files, .aml, .cal, .fdb, .ndb, .ndx, .pdb, .pdx, .rcx. Later versions use *.familyfile or .familyfile11, etc.
Reunion v8 uses Type/Creator Codes "R~D8
"/"R~U8
", first 8 bytes are ascii values "UDS3R~U8
"
Reunion v9 first 8 bytes are ascii values "3SDU9U~R
"
Later Reunion versions saved into the Bundle format. Right clicking on file to "Show Package Contents" reveals data used, including a file with the extension .familydata.