Thanks for the reply.
Looks like some attempt at sistering. They're only nailed on one side, no bolts, and aren't connected near the soffit, they look to offer little support.
IMG_20200508_152444_1 by ichris2020 posted 8 May 2020 at 5:15 PM
IMG_20200508_153702 by ichris2020 posted 8 May 2020...