Marcella Ofelia Quintanilla

Selena Quintanilla's siblings are engaged in a war of words about an alleged legal action ... because while her brother says he's involved in a lawsuit concerning other members of the family, they're calling BS. Here's the deal ... on Tuesday, A.B. Quintanilla III took to Instagram to tell fans…

Abraham Isaac Quintanilla Jr., the father of the late Tejano music icon Selena, has died. His son, A.B. Quintanilla III, shared the shocking news on Instagram Saturday morning, sharing a photo of his dad and writing ... "It’s with a heavy heart to let you guys know that my Dad passed away…