Originally Posted by CliftonGK1

(emphasis mine)

Were you (OP) breaking spokes at the heads or the threads (near the hub or near the rim)? Undertensioned spokes typically break at the heads (near the hub). Some things to consider are having a build done using spoke washers or using DT Alpine-III spokes (if they fit your hubs) which have a larger diameter at the head to reduce chatter/flex at the bend.