The ANCI as displayed it kiwitrees has an input field “Ancestors interest”, no method to attach a person, akin to ASSO. (The standard other tags are present such as Source, media, shared, note, associate)
Never touched SUBM. Whatever is used by kiwitrees is what I go with.
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Alter-Drukarsh Connections 3.3.10b/the Garelicks <family members only>