According to Paula Healey, Miles was the son of Roger Mason. Nicola Thwaite estimates birthdate around 1600, can't see why it couldn't be as late as 1610.
m: 27 Apr 1634 to Emma Mason (daughter of George Mason), FHL 1472792/1 #046 children: Isabel b15 Mar 1635, d 19 Apr 1635 Agnes b7 Aug1636, d 18 Jul 1700, m 30 Jun 1666 to John Mason (1643-1691) Roger b13 Jan 1639, d23 Oct 1685, batchelor, have will - probate 2 Nov 1685 Isabel b 15 Oct 1643, d 14 Jan 1698, m 6 May 1684 to John Dent George b? d 23 Jan 1697 (G), m 2 Feb 1667 to Christabel Moone (1638-1728) Mary b28 Apr 1650, d13 Nov 1709, m17 May 1679 to John Middleton (-1681), m27 Apr 1689 to William Suart/Sewart
d end of May 1674 (see will dates, can't find in Dent records).
will: of Ibbat Croft in Kirththwaite (where is this?) spoken will: 17 May 1674 inventory: 4 Jun 1674 probate: 16 Jun 1674 film 8179384 #257-#260