
They are not the ones mentioned in the article. However, I can generate an article based on the provided text.
Title: Ők a világ leggazdagabb családjai
The Johnson family is not typically considered to be among the world’s wealthiest families, but their role as controlling shareholders of Fidelity, a company that recently launched the largest Bitcoin ETF in the market, sets them apart from others.
Source: www.bitcoinbazis.hu