Me and my other half found it so hard naming our first child, [name]Percy[/name]. We literally discovered his name in the days before his birth and it was just perfect but it was so stressful worrying we didn’t have a name. This time were planning ahead!
I like old fashioned names that don’t get heard a lot these days here are my choices
[name]Rupert[/name]
[name]Henry[/name]
[name]Robin[/name]
Please offer more 
Hmm, I don’t know where you are but I keep hearing of little Henrys more and more, it’s the rise (decade highs of #34 in UK, #43 in US) I also know of quite a lot of female Robyns, while I’ve never encountered a single male [name]Robin[/name], so if sharing his name with girls bothers you it might be one to cross off. I do like [name]Percy[/name] and [name]Rupert[/name] as brothers though, very handsome.
Other suggestions:
[name]Arthur[/name] (though again, popularity depends where you are - #82 in UK but has been sitting steady in the 300s in the US since 2000)
[name]Chester[/name] - this gives off a vintage vibe to me - #543 in UK and out of the US top 1000.
[name]Walter[/name] - ditto - #758 UK, #376 and unmoving from the 300s in the US.
[name]Edmund[/name] - nowhere near as common as [name]Edward[/name], #721 in UK, out of US top 1000. Alternate spelling: [name]Edmond[/name] is out of both nations’ top 1000.
[name]Albert[/name] - nickname [name]Albie[/name] is pretty darn cute. #159 in UK, #401 in US
[name]Alfred[/name] - has nickname potential of [name]Alfie[/name] and [name]Freddie[/name], but the full name is rarely heard. #154 in UK, #949 in US.