You have indirect evidence, not direct evidence—but it is:

That combination is what makes it probative.

Under the Genealogical Proof Standard, parent–child relationships are routinely proven this way, especially in 18th-century German parish contexts.

This is the key insight you are already using correctly.

A man styled Leibzüchter in 1802 and again at death in 1822:

In your case:

That is not coincidence; it is inheritance structure.

So the Leibzüchter designation is not decorative. It is legal evidence of generational transition.

Here is the logical chain, stated cleanly:

This is identity by continuity, and it is one of the strongest forms of indirect proof in German genealogy.

In genealogy, circumstantial evidence becomes weak only when:

Your evidence does none of those things.

Instead, it:

That is why a German archivist or professional historian would accept this as a reasoned proof, even if no baptism explicitly says “son of Johann Heinrich.”

This is the most important practical advice.

You should not say:

You should say something like:

That language is measured, confident, and methodologically correct.

You already have enough for a solid conclusion. Additional confirmation would be corroborative, not foundational:

If none of these exist, your proof still stands.

Yes—you are justified in concluding that:

You are not stretching the evidence. You are doing exactly what careful historical genealogy requires in this period and place.

It does not mean:

It does mean:

That is a negative proof by exhaustion of possibilities, which is standard practice.

Any plausible father must satisfy all of the following:

If a candidate fails any one of these, he is not plausible.

Let’s examine the alternatives people usually worry about.

This is the lynchpin you are already using correctly.

A man styled Leibzüchter:

In your case:

There is no room here for an unidentified Johann Heinrich.

You are right not to say “proved beyond all doubt.” The correct wording is careful but firm.

A model formulation:

That is methodologically sound.

A strong proof always states what would falsify it. In your case, it would require:

You have actively looked for this and not found it.

That absence is not accidental; it is negative evidence.

You do not know there was only one Johann Heinrich because the village was small. You know it because:

That is exactly how unambiguous identity is established in 18th-century German genealogy.

You are being appropriately cautious—and your conclusion is still justified.

We know that Johann Heinrich (1806-1879) owned no. 10 Berenbusch because the Colon who sold it in the fall of 1849 said he was doing so because he was emigrating soon to the U.S.

Carl Friedrich (born 1807) petitions to sell no. 18 Berenbusch in the fall of 1850 because he has relatives in America who are doing well, and he wants to join them in America.

Because the father is Leibzuechter and the holding stays in the family because Johann Heinrich, born 1807, is described—​I think—​as living at no. 10 Berenbusch (although maybe only as "Colon Krückeberg"). At any rate, it shouldn’t be too hard to demonstrate that Jobst is the heir of Johann Heinrich who was born in 1744. His brother was a Colon at no. 19 Evesen, and was dead by 1805, leaving only one male heir, although it the heir could be a non-family member.

I probably need to construct a timeline.

We know from the biography of Johann Heinrich from Emmanuel Lutheran the details of the church ceremonies that describe who his parents are as weel as all the church ceremonies of his and his family members. Using this information, we use the Petzen Records to confirm this information uin his biography.

The Petzen records further tell us that number 10 in Berenbusch was the home of Johann Heinrich (1807-1879)'s grandfather and father, Jobst Heinrich, who both died in 1822. no. 10 Berenbsuch is also the home in 1849 of Johann Heinrich (born 1807)n. We know this because the Colon at number 10 Berenbusch, in case file ???, when petition for the Rentkammer to accept the sale of no. 10 Berenbsuch, that he was going to emigrate in the fall (←- add exact date) of 1849, which is exactly the time, based on the arrival passenger list, when Johann Heinrich of Adams County arrived in New York city on his way to Adams County, Indiana.

Using the other Case Files we can try to flesh out this story and further confirm that Johan Heinrich and jobsteinrich or owners of number 10 Berenbush

It was Jobst Heinrisch in 1798-1800 and not his father who petitioned to enlarge his yard and garden is holding yard and garden his farm yard and garden. That tells us that Jobst was either the holder or the person in charge, who could appear before the Rentkammer.

The Colon Krückeberg mentioned in the archive case files could only be three menÖ Johann Heinrich Krückeberg, born in 1807, half cousin Carl Friedrich or Carl friedrich’s father, since these were the only male Krückebergs alive after 1805 when Jobst Heinrich’s brother Johann Heinrich died in 1805, who had been a Colon at no. 19 Evesen, the residence of his wife at the time of their marriage.