Check with the library where you will be researching and see if they have any requests. Sometimes they just don’t have time and could use a volunteer to help.

Genealogy sites such as Ancestry.com, Genealogy.com, and Rootsweb.com all have different message boards where you could post your information. There are message boards by surname, by state and/or county, (or both). Believe me, any or ALL of these sites (and the people who visit them) will welcome your information.

You didn’t indicate the state you are researching, so go to US Gen Web and follow the link at the left to the appropriate state. At the foot of the page there is contact information for the Coordinator for the state. They will answer your questions about submitting the extracted information.

Write down the names of the parties, any relationship they express to each other, the date of the instrument, and the source (Chump County probate office, Will Book 42A, pp 48-51).
Then you could search rootsweb for the parent-child or spousal relationships, and send the info directly to the person who’s maintaining that site. 90% of them will have no use for it; of those who do, 20% max will cite the source as you provided it.
Probably more useful to write the info down and provide it to a local history group - many public libraries maintain a local history room with “vertical files” about families and places.