A "good" JW would go to the WT index for the answer thus to the quotes above. Most JWs who came in after 1992, have little knowledge of this doctrine. What they would say in answer to who will be in charge after the anointed all die, is the great crowd, specifically the appointed GC elders at Bethel.
Most JWs can't explain how 1914 is arrived at or in what way the generation doctrine changed in 1995.
A more recent application is the "chieftain" mentioned in the OT being the GC in charge on earth after the anointed leave. Most JWs can't explain that either.
Other applications made by the WTS not understood by most JWs
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dx86-04 Great Crowd ***pictured by—
12 tribes in Ezekiel’s temple vision (Eze 40-48): w99 3/1 14
alien residents in Israel: w95 7/1 17, 20-5; w87 1/1 26
cavalry (Re 9:16-19): w89 4/1 18-19; re 152-3
Egyptians knowing Jehovah (Isa 19:21, 22): ip-1 205-6
"flooding torrent" (Isa 66:12): ip-2 400-1
foreigners who accompany returning exiles (Isa 45:14): ip-2 86-7
foreigners who gather to restored Israel (Isa 60:10; 61:5): w02 7/1 13; ip-2 311, 328; w95 7/1 23-5; w92 4/15 10-11
foreigners who join themselves to Jehovah (Isa 56:6, 7): ip-2 253-7, 260; w98 2/1 19-20, 22; w96 7/1 20-1
Gibeonites in Joshua’s day: w86 12/15 22-4
harvest at Festival of Booths: re 203
individuals from Egypt and Assyria (Isa 19:23-25): ip-1 206-7
Jehonadab (Jonadab): ip-2 255; w98 1/1 13; w97 9/15 19; jv 83, 165-6; re 120
Jonathan: w89 1/1 26-8
Joseph’s ten repentant half brothers: w87 5/1 16-17, 19
"mixed company" (Ex 12:38): w89 9/1 14-15; w88 2/1 31; w86 2/15 16, 18
nation not previously known (Isa 55:5): ip-2 241-2
nations being taught at Jehovah’s house and walking in his paths (Isa 2:2-4): w87 3/15 12-13
nations coming to Jehovah’s woman (Isa 60): w02 7/1 11; ip-2 304, 306, 308-14; w00 1/1 12; w93 1/15 13
nations who "bow down" (Isa 49:23): re 60-1
Nethinim: w95 7/1 21; w92 4/15 16-17
Noah’s sons, their wives: w86 1/1 15
non-Israelites who crossed Jordan: w86 12/15 13
non-Israelites who returned with Israel: w92 4/15 13-17
"offspring" (Isa 59:21): ip-2 300-2
"offspring" (Isa 61:9): ip-2 332-3
"offspring" (Isa 66:22): ip-2 410-12
Persians "declaring themselves Jews" (Es 8:17): w86 3/15 25
prodigal son who repented (Lu 15): gt 86; w89 2/15 17
queen of Sheba: w92 3/1 20
Rahab: w86 12/15 17-18
Rebekah’s lady attendants: w89 7/1 28
reformed Philistines (Zec 9:6, 7): w95 7/1 22-3
"sheep" (Mt 25:31-46): re 120
sons of servants of Solomon: w92 4/15 16-17
"ten men" (Zec 8:23): w96 1/1 22; w88 1/1 16, 18; ws 88-9
those marked in forehead (Eze 9): ip-2 254-5; re 120
unintentional manslayer: w86 12/15 24-5