The body of the 25-year-old star - who was found dead at the home she shared with husband Thomas Cohen and their sons Astala, 23 months, and Phaedra, 11 months, on Monday (07.04.14) - is expected to be laid to rest at the country church of St Mary Magdalene in Davington, Kent, South East England where she was also married, christened, her parents Bob Geldof and Paula tied the knot, and where her late mother was buried in 2000.
A source said: ''The church holds the most bittersweet of memories for the Geldof family. They have had the best of times and the worst of times in that churchyard.''
Peaches' devastated family, including sisters Fifi, 31, Pixie, 23, and half-sister Tiger, 17, have gathered at their father's London home to mourn the blonde star and to comfort their Boomtown Rats singer dad, who is said to be too heartbroken to ''operate normally''.
A source told The Sun newspaper: ''Bob is quite obviously too devastated to operate normally.
''Fifi has been his rock. She's the eldest daughter and believes it is her role to get everyone through this appalling time.
''The strength she is showing has been inspirational for them all.
''Bob is in profound pain. The whole family is frantic about how he'll cope.
''He's never been the same since Paula's death and this is an even more devastating heartbreak.
''For him, Peaches was always like a reminder of all Paula's good bits and now she's gone he's shattered. [His girlfriend] Jeanne [Marine] is working very closely with Fifi to protect Bob.
''They're already talking about the funeral because Bob simply isn't up to it.''
After the funeral, Jeanne is said to be planning to take Bob overseas to grieve in private.
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Pratchett died aged 66 in March 2015.