Baby girl

So my SO and I really love the name EvaRose. But seeing as how we had a really hard time getting pregnant and I've had a really hard time this pregnancy were stuck, she may be the only child we ever have. Mine, my mom and my MIL all middle name is Lynn. We can't tell If EvaRose Lyn Steffler works. We want to use all the name. Does it work or should we wait to see if we ever can have another baby/daughter. 

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