Nêreides, daughters of Nereus and Doris.
Granted that there were supposed to be 50 of them, the Greeks named 79.
Named:
1 Agave
2 Actaea
3 Amathia
4 Amphinome
5 Amphithoe
6 Apseudes
7 Autonoe
8 Dero
9 Dexamene
10 Dione
11 Doris
12 Doto
13 Dynamene
14 Eione
15 Erato
16 Evagora
17 Evarne
18 Eudora
19 Eucrante
20 Eulimene
21 Eumolpe
22 Eunice
23 Eupompe
24 Galateia
25 Galene
26 Glauce
27 Glauconome
28 Halia
29 Halimede
30 Hipponoe
31 Hippothoe
32 Iaera
33 Ianassa
34 Ianeira
35 Ione
36 Callianassa
37 Callianeira
38 Calypso
39 Ceto
40 Claea
41 Clymene
42 Crato
43 Cymo, Cymatolege
44 Cymodoce
45 Cymothoe
46 Laomedeia
47 Leagore
48 Limnoreia
49 Lysianassa
50 Maera
51 Melite
52 Menippe
53 Nausithoe
54 Nemertes
55 Neomeris
56 Nesaie
57 Neso
58 Orithyia
60 Panopeia
61 Pasithea
62 Pherusa
63 Plexaure
64 Ploto
65 Polynome
66 Pondomedusa
67 Pontoporeia
68 Polynoe
69 Pronoe
70 Proto
71 Protomedeia
72 Psamathe
73 Sao
74 Spio
75 Thalia
76 Themisto
77 Thetis
78 Thoe
Doris.
49
No weakness is ever named in Greek myth.
The sea itself could be considered her weapon, for she controlled it - with that, she needed no weapon.
Amphitritê loved sea creatures such as fish, dolphins, shellfish, shells and seals.
The people who sang sisters were sisters, called Sis and Ters.
Zayn Malik's sisters are called Doniya, Waliyha and Safaa.
Zayn Malik's sisters are called Doniya, Waliyha and Safaa.
Edmund rice had 4 brothers and 10 sisters and had 49 cousins
Cher Lloyd has a brother called Josh and two sisters called Rosie and Sophie.
Sthenno and Euryale were sisters of Medusa.
If you mean the ninth Sisters Grimm book, It's called the Council of Mirrors.