While almost all mothers will be the first to tell you how proud they are of their sons, only a small handful can attest to having raised a superstar professional athlete - or in Judy Murray's case, two.
For an even smaller of them, they have played a crucial role in bolstering that success.
This can mean either behind the scenes in the boardroom, such as Adrian Rabiot and Kylian Mbappe's manager mums, or by providing vital emotional support.
But having a close relationship with a parent deeply involved in a child's career can come with its own pitfalls, either for the player - or themselves.