Borders are the slave master’s cage. They are an indication of which area holds which slaves. I’m totally fine living without borders. The only borders I care about are the ones around my home.
Anytime an exchange is involuntary, it becomes coercion and/or slavery. I am not responsible for the debts of my father so why would I be expected to adopt his responsibilities?
Here’s a simple question: if the offspring didn’t want to pay for any of these things, would you like someone to force him to or threaten to throw him in jail? If your answer is yes, then you’re a violent tyrant. If your answer is no, then you’re a peaceful individual that respects human autonomy.