Linked from
The 18 pages that link to Brahmi script, each with the reason it gives.
DevanagariNarrower topic: Brahmi is the distant script ancestor in Devanagari’s historical lineage.
Pallava scriptNarrower topic: Pallava writing developed from southern forms of this older script.
Tamil-BrahmiNarrower topic: Tamil-Brahmi adapts Brahmi signs and conventions for writing Tamil.
Thai scriptNarrower topic: It is the distant ancestor of the script family that includes Thai.