John Seidler was named the Padres’ control person last month, more than a year after his younger brother’s death

Sheel Seidler claimed that Matt and Bob Seidler breached their fiduciary duties as executors of Peter Seidler's estate.

The wife of late San Diego Padres owner Peter Seidler, Sheel Seidler, sued brothers-in-law Matthew and Robert on Monday, attempting to prevent another brother, John, from taking control of the team rather than her.