Robert was baptised March 2, 1586, London, Middlesex, England.

National Archives (UK)
Reference: KNY 473 372 x 1
Bond from Robert Knyvett gent. of Westminster to Anthony Knyvett gent. of same for payment of £25 10s 0d, (1610).

Reference: KNY 474 372 x 1
Acknowledgement of receipt by Robert Knyvett gent. from Thomas, Lord Knyvett of £450 in part payment of £1,000, (1611).

Reference: KNY 475 372 x 1
Bond
From Robert Knyvett gent. of Stanwell (co. Middlesex) and Francis White of Didworth in New Windsor (co. Berkshire) to Henry Rawson of Colbrook in Langley Marish (co. Buckinghamshire) for payment of £42, 1611, with acknowledgement of receipt 1614, (1611-1614).

Reference: KNY 789-796 372 x 6
Robert Knyvett, Padua and Smyrna
Mentioning journey to Constantinople 'to see antiquityes' and re financial arrangements, and asking him not to 'putt any poore fortune out of your hands', 1613-1614. Also bills of exchange signed by Humphrey Basse and Thomas Stone of London for payments by Anthony Knyvett to Robert Knyvett at Parish and Venice (some in French), 1611-1613, and bills of exchange signed by Robert Knyvett at Smyrna and Venice for payments by Lord Knyvett to Robert Palmer and John Couchman, 1613-1614, (1611-1614).

Reference: KNY 593-597 372 x 5
Robert Knyvett, Venice and Paris, a 'cousin'
Assuring Anthony of his gratitude to Lord Knyvett and concerning his travels and financial arrangements, (1612-1614 and undated).

Reference: KNY 787,788 372 x 6
John Couchman, Mark Lane, London
Enclosing bill of exchange signed by Robert Knyvett at Venice in favour of Couchman, with acknowledgement of receipt, (1614).