Würth is among the wealthiest Swiss citizens with an estimated net worth of CHF 3-3.5 billion.

Her grandfather founded the German screw wholesale concern Würth Group in 1945.

Her brother, Markus Würth, is mentally retarded due to an injury in vaccination.

Back then she didn't have close contact to her parents and had the strong desire to be independent.

[11] Würth is married to Swiss Markus Johannes Baptist Rusch, who took the last name of his wife.