you cant I have realised after broken promises that you cant make them keep but you can make them feel bad about not keeping their promises by bringing it up every now and again.
Get them to sign a contract.
This question, like most legal questions, depends on the jurisdiction of the parties and the controlling law. The specific facts are also very important. For example, is the child an adult or a child? Was the promise of the parents based in contract or made in return for consideration?
A Formal Promise is a promise you'll keep and do some or another day.
no
a promise
A Promise to Keep - 1990 TV is rated/received certificates of: Iceland:L
A Promise to Keep - 1990 TV was released on: USA: 1 October 1990
Stalin did not keep his promise to hold elections in eastern Europe.
A liar, unreliable, flaky, undependable, irresponsible.
When you are king, you have a choice to keep your promise or break it. Breaking it will add money to your Treasury. Keeping it will be costly.
A word means either a literal word or a promise. for example you say to keep my word that meanms to keep my promise.
At Yalta Stalin promised free elections in eastern Europe, but he did not keep his promise.