In this 
Catalan name, the first or paternal
 surname is 
 Cassadó and the second or maternal family name is 
 Moreu; both are generally joined by the conjunction "i".
 
Gaspar Cassadó i Moreu (30 September or 5 October 1897 – 24 December 1966) was a Catalan  cellist and composer of the early 20th century.