King of Spain Juan Carlos I

Spanish king's brother-in-law begins prison term for graft

The brother-in-law of Spain's King Felipe VI has begun serving a nearly six-year sentence for fraud and tax evasion, Spanish prison authorities said Monday.

An official with the Interior Ministry's prison management division said Inaki Urdangarin arrived Monday morning at a prison near Avila, about 100 kilometers north of Madrid. The official spoke anonymously, in line with ministry rules.

Urdangarin, a 50-year-old former Olympic handball medal winner married to the king's sister, Cristina, is the closest person to the ruling Bourbon family to be imprisoned.

He was convicted to five years and 10 months in prison for embezzling about 6 million euros ($7 million) by...