Buying a house with unequal equity and inheritance: how to regulate it fairly?

Hello everyone, I need your assessment and tips for buying a property as fairly as possible when there is unequal equity and inheritance (or inheritance expectations). We (let's call ourselves civil servant Bea and employee Anton) are a married couple, live in a community with children and are currently planning to buy a house. To simplify matters, let’s assume a round purchase price of €1 million (including utilities). However, our respective requirements for equity and retirement provision differ greatly: Angeste