Lorenzo de Arrau (1735-1781), Spanish Engineer sent to Chile by Carlos III, King of Spain. He arrived to Chile around 1768. He married Isabel de Santa María y Baeza, from a prominent family of the local aristocracy, and they had six children: Juan, Pedro Juan (ancestor of pianist Claudio Arrau), Clara, Juana, Cruz, Manuela Bárbara (nun). Charles III (January 20, 1716 – December 14, 1788) was king of Spain from 1759 to 1788. ... Claudio Arrau Claudio Arrau (February 6, 1903–June 9, 1991) was a Chilean-American pianist, of world fame for his interpretations of a huge repertory spanning from the baroque to 20th-century composers. ...

Heirs of the Arrau family through the time

Lorenzo de Arrau (1735-1781)

Pedro Juan de Arrau y Santa María (1776-?)

Juan Antonio Arrau Darroch-Campbell (?-?)

Maximiliano Arrau Ojeda (1850-1924)

Maximiliano Arrau Becerra (1887-1977)

Maximiliano Arrau Henríquez (born around 1930)

Maximiliano Arrau Vidal (?)

The descendants of this family can be found in South America, the U.S., Australia and Europe.