San Francisco 49ers star left tackle Trent Williams’ newborn son passed away last week, his wife Sondra announced on Instagram. Trenton O’Brien Williams Jr. died on the night of Nov. 24. Trenton was born prematurely as Sondra gave birth to her son after 35 weeks of pregnancy.

Heartbreak has struck the 49ers family again with the news that the newborn son of left tackle Trent Williams died on Nov. 24. Sondra Williams, the wife of the 49ers’ tackle, said in an Instagram post the baby had been diagnosed with Trisomy 13 — a rare genetic condition — and that a twin daughter had been lost earlier in the pregnancy.

The wife of San Francisco 49ers offensive tackle Trent Williams announced their son, Trenton O'Brien Williams Jr., was stillborn on Nov. 24. "My firstborn