This question will be resolved accordingly to Forbes (https://www.forbes.com/real-time-billionaires) on April 1st 2024 (no April Fool) at 00:00 UTC. (If the page had some technical failures, I'd adjust this time accordingly or change the source.)

*will be considered as one person for this question as listed by Forbes (If Forbes splits this position, the term "Bernard Arnault & family" will represent Bernard Arnault himself.)

This question will not be affected by any name changes.

This question will close on March 31st 2024 at 23:59 UTC.

If you have any questions or if any scenarios are unclear, please ask beforehand. Otherwise, I will use my best judgment to resolve this question. I might seek input from others if I feel too biased. I will bet in this market.