Then came. This was in the first month of the fortieth year alter Exodus. Compare Num_20:28 with Num_33:38 and Deu_2:1-7. A gap of 37 years between the spies (Numbers chapter 13 and Numbers chapter 14) and Numbers chapter 20. This blank should be carefully noted. See note on Num_14:34, and App-50.
children = sons.
and. Note the Figure of speech Polysyndeton throughout this chapter. The old nation dead. History of new nation begins here, and each event singled out and emphasized.
Kadesh. The second time in eventful Kadesh. No history since the first time all a blank, except a list of journeyings in Num 33.
Miriam: died early in fortieth year; Aaron in the fifth month. Compare verses: Num_20:23-29 with verses: Num_20:33, Num_20:38.