Non veni pacem mittere, sed gladium.
MacIntyre. Or Dunlop. They've been MacIntyres for years
Erskine Red/Black - worn by the Royal Scots Fusiliers Pipers. https://www.tartanregister.gov.uk/tartanLargeImage.aspx?ref=1120
There is a staggering number of registered Tartan setts, associated with various families, clans and septs. In many cases there are variations such as dress, hunting etc, as well as Royal and Military plaids. Those pictured appear to be Regimental Dress Tartans, but I was unable to determine which unit. Could be one of these:http://www.tartansauthority.com/tartan/the-growth-of-tartan/military-tartans/regimental-tartans/=T.W.=