John Gill Commentary 2 Samuel 3:15

"And Ish-bosheth sent, and took her from her husband, even from Paltiel the son of Laish." — 2 Samuel 3:15 (ASV)

And Ishbosheth sent and took her from [her] husband
Her second husband, to whom Saul had given her, (1 Samuel 25:44) ;

[even] from Phaltiel the son of Laish ;
he is called Phalti in (1 Samuel 25:44) .