Complex sentence: In 1998 she was joined at Claypool by Tyagi Nagasiva; the couple married in 2000, at which time he changed his name to Nagasiva Bryan W. Yronwode.
Split into simpler sentences: In 1998 she was joined at Claypool by Tyagi Nagasiva. They married in 2000, at which time he changed his name to Nagasiva Bryan W. Yronwode.