en.wikipedia.org/wiki/Roman_numerals

The numeric system represented by Roman numerals originated in ancient Rome and ... The original pattern for Roman numerals used the symbols I, V, and X (1, 5, and 10) ... (CC+VII) = CCVII; 1066 = "A thousand and sixty six" (M+LX+VI) = MLXVI. .... of Roman numbers have also been commonly used: i, ii, iii, iv, and so on.

mathworld.wolfram.com/RomanNumerals.html

The number of characters in the Roman numerals for 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ... (i.e., I, II, III, IV, V, VI, VII, VIII, IX, X, ...) are 1, 2, 3, 2, 1, 2, 3, 4, 2, 1, 2, 3, 4, .

www.englishclub.com/vocabulary/numbers-roman.htm

This page shows how we make the Roman numbers like i, ii, iii, iv, v in English. ... II, ii, 2. III, iii, 3. IV, iv, 4. V, v, 5. VI, vi, 6. VII, vii, 7. VIII, viii, 8. IX, ix, 9. X, x, 10.

reference.yourdictionary.com/resources/romanums.html

Roman numerals consist of a combination of the I, V, X, L, C, D and M letters. ... IIX = 10-2. Some more examples: VIII = 5+3 = 8; IX = 10-1 = 9; XL = 50-10 = 40 ... in outlines for a story or report; on clocks and watches such as IV for the number 4 ... such as Elizabeth II and Henry VIII; for popes such as Pope John Paul II.

caselaw.findlaw.com/us-9th-circuit/1136523.html

Jul 10, 2009 ... DOE II II III IV VI III VII VIII IX XI IV 8530 CA 90622 v. ... Mastaphia Swaziland; Jane Doe IX; Jane Doe X; Jane Doe XI; John Doe IV, individually ...

I II III IV V VI VII VIII IX X .... Do you not know that you are God's temple and that ... John 12. 12 The next day the large crowd that had come to the feast heard that ...