ALP

Anna Livia Plurabelle

HCE's wife

ALP + HCE jumbled up makes CHAPEL

the river Liffey

her name spelled out in hebrew alef (1) + lamed (30) + peh (80) = 111

The Hebrew letter aleph is also spelled aleph, lamed, peh.

Aleph is the first letter of the Hebrew "aleph-bayt"