Real Betis for two years before being officially recognised (in 1909); despite this 1907 remains the official foundation date of the club. Following an internal split from Sevilla FC, another club was formed, Betis Football Club. In 1914, they merged with Sevilla Balompié. The club received its royal patronage in the same year, and therefore adopted the name Real Betis Balompié. Fans continued to refer to the club as "Balompié" and were themselves known as "Los Balompedistas" until the 1930s, when "Betis" and the adjective "Béticos" became common terminology when discussing the club and its followers. Real Betis wear a green and
Alfonso XIII of Spain sport of football led to the patronage of several "Royal" ("Real" in Spanish) football clubs, the first being Real Club Deportivo de La Coruña in 1907. Selected others include Real Madrid, Real Sociedad, Real Betis, Real Unión, Espanyol and Real Zaragoza. An avenue in the northern Madrid neighbourhood of Chamartín, Avenida de Alfonso XIII, is named after him. A plaza or town center in Iloilo City, Philippines (now Plaza Libertad) was named in his honour called Plaza Alfonso XIII. A street in Merthyr Tydfil, in Wales, was built especially to house Spanish immigrants in the mining industry and named Alphonso