Fact check: VP Sara's lead counsel Sheila Sison is not Jose C. Sison's daughter

A viral claim that Sheila Sison, legal counsel for VP Sara Duterte, is the daughter of the late broadcaster Jose C. Sison has been debunked. Evidence from Jose C. Sison's own columns confirms he had no daughter named Sheila.
Why it matters
This serves as a case study in how misinformation spreads through social media by exploiting shared surnames.
MANILA, Philippines - A viral Facebook post falsely claims Sheila Sison, Vice President Sara Duterte's lead counsel, is the daughter of "Ipaglaban Mo!" host Jose C. Sison.
In a July 10 post, a Facebook user with over 448,000 followers shared a side-by-side photo of Jose and Sheila with the text, "Like father, like daughter."
Kaya pala sobrang galing, dati pinapanood ko yan si Atty, Sison sa kapag may katuwiran ipaglaban mo. #everyone #followers #dds
There is no publicly available information stating that Jose and Sheila have a father-daughter relationship, despite sharing a surname.
In a column published in The Philippine Star in 2012 , Jose referred to Joyce as his "beloved and only daughter," indicating he had no other daughters.
Part of his "Cherished event" column read:
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