I don't think one of the other Marauders would tell anything to Voldemort, but it's not like Peter wanted to... I mean, Voldemort tortured him to get that information out if him. He didn't just knock on his door and told him wher Lily and James were... I still hate him, though
I dont understand why so many people actually dont like james potter because he stopped severus and lily from being together… No. SEVERUS stopped lily and him from ever being together by choosing the wrong path, the dark path. He chose to be the bigot. He chose to be a death eater. That’s what people need to understand. Severus Snape might have been a valuable addition to the Light Side and might have sacrificed himself, but it took Lily’s death for him to do that.
Sirius: “Did you like question ten, Moony?” Remus: “Loved it. ‘Give five signs that identify the werewolf.’ Excellent question.” James: “D’you think you managed to get all the signs?” Remus: “Think I did. ‘One: he’s sitting on my chair. Two: he’s wearing my clothes. Three: his name’s Remus Lupin….’”